{"id":3289,"date":"2019-04-13T11:58:27","date_gmt":"2019-04-13T02:58:27","guid":{"rendered":"http:\/\/163.180.4.222\/lab\/?p=3289"},"modified":"2023-07-22T14:57:46","modified_gmt":"2023-07-22T05:57:46","slug":"%ec%9e%90%ec%84%9d%ec%9d%b8-%eb%93%af-%ec%9e%90%ec%84%9d-%ea%b0%99%ec%9d%80-%ec%9e%90%ec%84%9d-%ec%95%84%eb%8b%8c-%eb%84%88","status":"publish","type":"post","link":"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=3289","title":{"rendered":"\uc790\uc11d\uc778 \ub4ef, \uc790\uc11d \uac19\uc740, \uc790\uc11d \uc544\ub2cc \ub108~ & \uc561\uccb4\ub85c \u2018\uc601\uad6c\uc790\uc11d\u2019\uc744 \ub9cc\ub4e4\uc5c8\ub2e4"},"content":{"rendered":"

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\uc790\uc11d\uc5d0 \ub300\ud55c A to Z<\/b><\/span>
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\n<\/span>\uc5b4\ub9b4 \uc801 \uc790\uc11d\uc744 \uac00\uc9c0\uace0 \ub180\uc558\ub358 \uae30\uc5b5\uc740 \ub204\uad6c\uc5d0\uac8c\ub098 \uc788\ub2e4. \uc790\uc11d\uc744 \ub2e4\ub978 \uc790\uc11d\uc5d0 \uac00\uae4c\uc774 \ud558\uba74, \ub2ff\uc9c0\ub3c4 \uc54a\uc558\ub294\ub370 \uc11c\ub85c \uc7a1\uc544\ub2f9\uae30\uac70\ub098 \ubc00\uce58\ub294 \uac83\uc744 \ubcf4\uba70 \uc2e0\uae30\ud574\ud588\ub2e4. \uc790\uc11d\uc740 \uc65c \uc790\uc11d\uc774 \ub418\ub294\uc9c0, \uc790\uc11d\uc744 \ub458\ub85c \ub098\ub204\uace0 \ub610 \ub098\ub204\uace0 \ub610 \ub098\ub204\uba74 \uacb0\uad6d N\uadf9\uacfc S\uadf9\uc744 \ub530\ub85c \ub5bc\uc5b4 \ubd84\ub9ac\ud560 \uc218\ub294 \uc5c6\ub294 \uac83\uc77c\uae4c\ub3c4 \uad81\uae08\ud588\ub2e4. \uadf8 \uc790\uccb4\ub85c\ub294 \uc790\uc11d\uc774 \uc544\ub2cc \uc1e0\ubabb\uc744 \uae08\uc18d \ub3c4\uc120\uc73c\ub85c \ube59\ube59 \uac10\uace0 \ub3c4\uc120\uc744 \uac74\uc804\uc9c0\uc5d0 \uc5f0\uacb0\ud558\uba74, \ub9c8\uce58 \uc790\uc11d\ucc98\ub7fc \uc1e0\ubabb\uc774 \uae08\uc18d \uc885\uc774 \ud074\ub9bd\uc744 \uc7a1\uc544\ub044\ub294 \uc804\uc790\uc11d \uc2e4\ud5d8\ub3c4 \uc0dd\uac01\ub09c\ub2e4. \uadf8\ub807\ub2e4\uba74 \uc804\ub958\uac00 \ud750\ub974\ub294 \uac83\ub3c4 \uc544\ub2cc\ub370, \ub3c4\ub300\uccb4 \ub9c9\ub300\uc790\uc11d\uc740 \uc790\uc131\uc744 \uc5b4\ub5bb\uac8c \uacc4\uc18d \uc720\uc9c0\ud558\ub294 \uac78\uae4c.<\/span><\/p>\n

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\uc720\ub144\uc2dc\uc808 \uc790\uc11d\uc740 \uc6b0\ub9ac\uc758 \ud765\ubbf8\ub85c\uc6b4 \uc7a5\ub09c\uac10\uc774\uc5c8\ub2e4. \ud558\uc9c0\ub9cc \uacfc\ud559\uc790\ub4e4\uc758 \uc138\uc0c1\uc5d4 \uc6b0\ub9ac\uac00 \uc544\ub294 \uc790\uc11d \uc678\uc5d0\ub3c4 \ub2e4\uc591\ud55c \uc790\uc11d\uc774 \uc788\ub2e4.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\ub0a9\uc791\ud55c \uc138\uc0c1\uc758 \ub0a9\uc791\ud55c \uc790\uc11d\uc740 \uc790\uc131\uc774 \uc5c6\ub2e4<\/i><\/b><\/span><\/p>\n

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\ub9c9\ub300\uc790\uc11d\uc774 \uc790\uc11d\uc778 \uc774\uc720\uac00 \uc788\ub2e4. \ubb3c\ub9ac\ud559\uc5d0 \ub530\ub974\uba74 \ubaa8\ub4e0 \uc6d0\uc790\ub4e4\uc740 \uc2a4\ud540\uc774\ub77c\ub294 \uc591\uc790\uc5ed\ud559\uc801\uc778 \uac12\uc744 \uac00\uc9c4\ub2e4. \uc2a4\ud540 \uac12\uc774 0\uc774 \uc544\ub2cc \uc6d0\uc790\ub294 \uadf8 \uc790\uccb4\ub85c \uc544\uc8fc \uc791\uc740 \ub9c9\ub300\uc790\uc11d\ucc98\ub7fc \ud589\ub3d9\ud55c\ub2e4. \ub530\ub77c\uc11c \ucee4\ub2e4\ub780 \ub9c9\ub300\uc790\uc11d \uc548\uc5d0\ub294 \uc5c4\uccad\ub09c \uc218\uc758 \uc5c4\uccad\ub098\uac8c \uc791\uc740 \uc6d0\uc790 \uc790\uc11d\ub4e4\uc774 \ub4e4\uc5b4\uc788\ub2e4\uace0 \ud560 \uc218 \uc788\ub2e4.\u00a0<\/span><\/span><\/p>\n

\ub9cc\uc57d \uc774 \uc6d0\uc790 \uc790\uc11d\ub4e4\uc774 \uc55e\uc73c\ub85c \ub098\ub780\ud788 \ud558\ub4ef \ub611\uac19\uc740 \ubc29\ud5a5\uc744 \uac00\ub9ac\ud0a4\uba74 \uc6d0\uc790\uc790\uc11d\ub4e4\uc758 \uc790\uc131\uc740 \uc11c\ub85c \uc0c1\uc1c4\ub418\uc9c0 \uc54a\uace0 \ub354\ud574\uc838\uc11c \ub9c9\ub300\uc790\uc11d \uc804\uccb4\ub294 \ucee4\ub2e4\ub780 \ud06c\uae30\uc758 \uc790\uc131\uc744 \uac00\uc9c0\uac8c \ub41c\ub2e4. \uc8fc\uc5b4\uc9c4 \uc628\ub3c4\uc5d0\uc11c \ubb3c\uc9c8\uc774 \uc5b4\ub5a4 \uc0c1\ud0dc\uc5d0 \uc788\uc744\uc9c0\ub294 \uc790\uc720\uc5d0\ub108\uc9c0\ub97c \uc774\uc6a9\ud574 \uc27d\uac8c \uc774\ud574\ud560 \uc218 \uc788\ub2e4. \ubaa8\ub4e0 \ubb3c\uc9c8\uc740 \uc790\uc720\uc5d0\ub108\uc9c0\uac00 \ub0ae\uc740 \uc0c1\ud0dc\uc5d0 \uc788\uace0 \uc2f6\uc5b4<\/span>\u00a0\ud55c\ub2e4.<\/span>1)<\/sup><\/span><\/span><\/p>\n

\uc790\uc720\uc5d0\ub108\uc9c0\ub97c \ub0ae\ucd94\ub294 \ubc29\ubc95\uc740 \uc628\ub3c4\uc5d0 \ub530\ub77c \ub2e4\ub974\ub2e4. \uc544\uc8fc \uc628\ub3c4\uac00 \ub0ae\uc744 \ub54c\uc5d0\ub294 \uc5d0\ub108\uc9c0\ub97c \ub0ae\ucd94\ub294 \uac83\uc774 \uc790\uc720\uc5d0\ub108\uc9c0\ub97c \ub0ae\ucd94\ub294 \uae38\uc774\uace0, \uc544\uc8fc \uc628\ub3c4\uac00 \ub192\uc744 \ub54c\uc5d0\ub294 \uc5d4\ud2b8\ub85c\ud53c\ub97c \ub192\uc774\uba74 \uc790\uc720\uc5d0\ub108\uc9c0\uac00 \ub0ae\uc544\uc9c4\ub2e4.<\/span>2)<\/sup><\/span><\/span>\u00a0\ub530\ub77c\uc11c, \uc628\ub3c4\uac00 \ub0ae\uc744 \ub54c\ub294 \uc6d0\uc790 \uc790\uc11d\ub4e4\uc774 \ubaa8\ub450 \ud55c \ubc29\ud5a5\uc744 \uac00\ub9ac\ucf1c \uc5d0\ub108\uc9c0\ub97c \ub0ae\ucd94\uace0, \uac70\uafb8\ub85c \uc628\ub3c4\uac00 \ub192\uc73c\uba74 \uc6d0\uc790 \uc790\uc11d\ub4e4\uc774 \ub4a4\uc8fd\ubc15\uc8fd \uc5c9\ub6b1\ud55c \ubc29\ud5a5\uc744 \uc81c\uac01\uac01 \uac00\ub9ac\ucf1c \uc5d4\ud2b8\ub85c\ud53c\ub97c \ub192\uc774\uac8c \ub41c\ub2e4.<\/span><\/span><\/p>\n

\uc989, \ub0ae\uc740 \uc628\ub3c4\uc5d0\uc11c 0\uc774 \uc544\ub2cc \uc790\uc131\uc744 \uac00\uc84c\ub358 \ub9c9\ub300\uc790\uc11d\uc740 \uc628\ub3c4\ub97c \uc810\uc810 \ub192\uc774\uba74 \uacb0\uad6d \uc790\uc131\uc744 \uc783\ub294\ub2e4. \uc678\ubd80\uc5d0\uc11c \uc790\uae30\uc7a5\uc744 \uac78\uc9c0 \uc54a\uc544\ub3c4 \uc790\uc131\uc744 \uac00\uc9c0\ub294 \ubb3c\uc9c8\uc744\u00a0<\/span>\uac15\uc790\uc131\uccb4(ferromagnet)<\/span>\ub77c \ud55c\ub2e4. \uc628\ub3c4\ub97c \uc810\uc810 \uc62c\ub9ac\uba74 \uac15\uc790\uc131\uccb4\uac00 \uc790\uc131\uc744 \uc783\ub294 \uc0c1\uc804\uc774\ub97c \ubcfc \uc218 \uc788\ub2e4. \uc6b0\ub9ac\uac00 \uc0ac\ub294 \uc138\uc0c1\uc5d0\uc11c \ub9c8\uc8fc\uce58\ub294 \uc77c\uc0c1\uc758 \uc628\ub3c4\ub294 \uc0c1\uc804\uc774 \uc628\ub3c4\ubcf4\ub2e4 \ubb34\ucc99 \ub0ae\ub2e4. \ub9c9\ub300\uc790\uc11d\uc774 \uc790\uc131\uc744 \uacc4\uc18d \uc720\uc9c0\ud560 \uc218 \uc788\ub294 \uc774\uc720\ub2e4.<\/span><\/p>\n

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0\ucc28\uc6d0 \uc810\uc774 \uc6c0\uc9c1\uc5ec 1\ucc28\uc6d0 \uc120\uc774 \ub418\uace0, \uc120\uc774 \uc6c0\uc9c1\uc774\uba74 2\ucc28\uc6d0 \uba74\uc774 \ub41c\ub2e4. 2\ucc28\uc6d0 \uba74\uc774 \uc6c0\uc9c1\uc5ec \uc6b0\ub9ac\uac00 \uc0ac\ub294 3\ucc28\uc6d0 \uacf5\uac04\uc744 \uc774\ub8ec\ub2e4. (\ucd9c\ucc98: \uc704\ud0a4\ud53c\ub514\uc544)<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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\ub9c9\ub300\uc790\uc11d\uacfc \uac19\uc740 \uc790\uc131\uccb4\uc758 \uc5f0\uad6c\ub294 \ubb3c\ub9ac\ud559\uc5d0\uc11c \uae34 \uc5ed\uc0ac\ub97c \uac00\uc9c4\ub2e4. \uc9c0\uae08\ub3c4 \ud65c\ubc1c\ud788 \uc5f0\uad6c\uac00 \uc9c4\ud589\ub418\ub294 \ubd84\uc57c\ub2e4. \uc790\uc131\uccb4 \ubb3c\ub9ac\ud559\uc5d0\uc11c \uc911\uc694\ud55c \uac83\uc774 \uc788\ub2e4. \ubc14\ub85c\u00a0<\/span>‘\ucc28\uc6d0’<\/b><\/span>\uc774\ub2e4. \uc6b0\ub9ac\uac00 \uc0b4\uc544\uac00\ub294 \uc138\uc0c1\uc5d0\uc11c \uacf5\uac04\uc740 3\ucc28\uc6d0\uc774\ub2e4. \uc774\uae00\uc744 \uc77d\uace0 \uc788\ub294 \ub3c5\uc790\uac00 \uc9c0\uad6c \uc5b4\ub514\uc5d0 \uc788\ub294 \uc9c0, \uadf8 \uc704\uce58\ub97c \ud45c\uc2dc\ud558\ub824\uba74 \uc22b\uc790\uac00 3\uac1c(\uc704\ub3c4, \uacbd\ub3c4, \uadf8\ub9ac\uace0 \uc9c0\uae08 \uc788\ub294 \uacf3\uc774 \ud574\ubc1c \uba87 \ubbf8\ud130\uc778\uc9c0) \ud544\uc694\ud55c \uc774\uc720\ub2e4.<\/span><\/p>\n

\uc790\uc131\uccb4\uc758 \ubb3c\ub9ac\ud559\uc5d0\ub294 \uacf5\uac04\uc758 \ucc28\uc6d0 \ubfd0 \uc544\ub2c8\ub77c \uc6d0\uc790 \uc790\uc11d\uc758 \ucc28\uc6d0\ub3c4 \uc911\uc694\ud558\ub2e4. \uae38\uc774\uac00 1\ub85c \ub531 \uc8fc\uc5b4\uc9c4 \ud654\uc0b4\ud45c\ub97c \uc0dd\uac01\ud574\ubcf4\ub77c. \ud654\uc0b4\ud45c\uac00 \ub9cc\uc57d 3\ucc28\uc6d0 \ubb3c\uccb4\ub77c\uba74 \ud654\uc0b4\ud45c\uc758 \ubc29\ud5a5\uc740 \ub3d9\uc11c\ub0a8\ubd81, \uadf8\ub9ac\uace0 \uc704\uc544\ub798 \uc5b4\ub514\ub098 \uac00\ub9ac\ud0ac \uc218 \uc788\ub2e4. \ub9cc\uc57d \ud654\uc0b4\ud45c\uac00 2\ucc28\uc6d0 \ubb3c\uccb4\ub77c\uba74 \uc774\ub294 \ubcbd\uc5d0 \ub531 \ubd99\uc5b4\uc788\ub294 \ubcbd\uc2dc\uacc4\uc758 \ubc14\ub298\uc744 \ub5a0\uc62c\ub9ac\uba74 \ub41c\ub2e4. 1\ucc28\uc6d0 \ud654\uc0b4\ud45c\ub294 \uc5b4\ub5a4 \uac78\uae4c? \ud654\uc0b4\ud45c\uc758 \ubc29\ud5a5\uc774 1\ucc28\uc6d0 \uc9c1\uc120\uc704\uc5d0\uc11c\ub9cc \uac00\ub2a5\ud574\uc11c \ud654\uc0b4\ud45c\uc758 \uc2dc\uc791\uc704\uce58\uac00 0\uc774\ub77c\uba74 \ud654\uc0b4\ud45c\uc758 \ub05d\uc758 \uc704\uce58\ub294 \ub531 \ub458(+1 \ud639\uc740 -1)\ub9cc \uac00\ub2a5\ud558\ub2e4.<\/span><\/p>\n

1\ucc28\uc6d0 \uc2a4\ud540\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c4 \uc790\uc131\uccb4\ub97c \uc124\uba85\ud558\ub294 \ubb3c\ub9ac\ud559 \ubaa8\ud615\uc774 \uc788\ub2e4. \ubc14\ub85c \uc774\uc9d5(Ising) \ubaa8\ud615\uc774\ub2e4. 1\ucc28\uc6d0 \uacf5\uac04\uc5d0\uc11c 1\ucc28\uc6d0 \uc2a4\ud540\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c4 \ubb3c\uc9c8\uc740 \uc544\ubb34\ub9ac \uc628\ub3c4\uac00 \ub0ae\ub354\ub77c\ub3c4 \uc790\uc131\uc744 \uac16\uc9c0 \ubabb\ud55c\ub2e4. \uc55e\uc5d0 \uc7a0\uae50 \ub4f1\uc7a5\ud55c \uc790\uc720\uc5d0\ub108\uc9c0\ub97c \uc774\uc6a9\ud574 \uc27d\uac8c \ubcf4\uc77c \uc218 \uc788\ub2e4. \uc628\ub3c4\uac00 0\ub9cc \uc544\ub2c8\uba74, \ud56d\uc0c1 \uc2a4\ud540\ub4e4\uc774 +1, -1\uc758 \ub450 \uac12\uc744 \ub4a4\uc8fd\ubc15\uc8fd \uc544\ubb34 \uac12\uc774\ub098 \uac00\uc9c8 \ub54c\uac00 \uc790\uc720\uc5d0\ub108\uc9c0\uac00 \ucd5c\uc18c\uac00 \ub418\uae30 \ub54c\ubb38\uc774\ub2e4.<\/span>3)<\/b><\/sup><\/span><\/p>\n

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2\ucc28\uc6d0 \uacf5\uac04\uc758 1\ucc28\uc6d0, 2\ucc28\uc6d0, 3\ucc28\uc6d0 \uc2a4\ud540\ub4e4. \uac01\uac01 \uc774\uc9d5 \ubaa8\ud615, XY \ubaa8\ud615, \uadf8\ub9ac\uace0 \ud558\uc774\uc820\ubca0\ub974\ud06c \ubaa8\ud615\uc774\ub77c \ubd88\ub9b0\ub2e4. 2\ucc28\uc6d0 \uacf5\uac04\uc758 2\ucc28\uc6d0 \uc2a4\ud540\uc744 \uae30\uc220\ud558\ub294 XY\ubaa8\ud615\uc740 \uc790\uc131\uc744 \uac00\uc9c8 \uc218 \uc5c6\ub2e4\ub294 \uc774\ub860\uc801\uc778 \uc608\uce21\uc774 IBS \uac15\uc0c1\uad00\uacc4 \ubb3c\uc9c8 \uc5f0\uad6c\ub2e8\uc758 \uc5f0\uad6c\uc5d0\uc11c \ud655\uc778\ub410\ub2e4. (\ucd9c\ucc98 : IBS)<\/span><\/span><\/p>\n

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\uacf5\uac04 \ucc28\uc6d0\uc774 \ud558\ub098 \ub298\uc5b4 2\ucc28\uc6d0\uc774 \ub418\uba74 \uc5b4\ub5a8\uae4c? 2\ucc28\uc6d0 \uacf5\uac04\uc5d0\uc11c\uc758 1\ucc28\uc6d0 \uc2a4\ud540 \uc2dc\uc2a4\ud15c\uc740 \uc720\ud55c\ud55c \uc628\ub3c4\uc5d0\uc11c \uac15\uc790\uc131 \uc0c1\uc804\uc774\ub97c \ud55c\ub2e4\ub294 \uac83\uc744 \ud574\uc11d\uc801\uc73c\ub85c \ubcf4\uc778 \uc774\uac00 \uc788\ub2e4. \ubc14\ub85c 1968\ub144 \ub178\ubca8\uc0c1 \uc218\uc0c1\uc790 \uc628\uc0ac\uac70(Onsager)\ub2e4. 3\ucc28\uc6d0 \uacf5\uac04\uc5d0\uc11c 1\ucc28\uc6d0 \uc2a4\ud540\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c4 \uc790\uc131\uccb4 \ubb38\uc81c\ub294 \ud604\uc2e4\uc5d0\uc11c \ubb34\ucc99 \uc911\uc694\ud55c \ubb38\uc81c\uc9c0\ub9cc \ud574\uc11d\uc801\uc778 \ud574\ub97c \uad6c\ud558\ub294 \uac83\uc740 \ubbf8\ud574\uacb0\ubb38\uc81c\ub2e4. \uc55e\uc73c\ub85c\ub3c4 \ud480\ub9b4 \uac83 \uac19\uc9c0 \uc54a\uc740 \ubb34\ucc99 \uc5b4\ub824\uc6b4 \ubb38\uc81c\ub2e4.<\/span><\/span><\/p>\n

\uc2a4\ud540\uc774 2\ucc28\uc6d0\uc778 \uacbd\uc6b0\ub294 XY \ubaa8\ud615\uc774\ub77c \ubd88\ub9b0\ub2e4. 2\ucc28\uc6d0\uc778 XY\ud3c9\uba74\uc704\uc5d0 \uc2a4\ud540\uc774 \ub204\uc6cc\uc788\uc5b4 \ub3d9\uc11c\ub0a8\ubd81\uc740 \uac00\ub9ac\ud0ac \uc218 \uc788\uc9c0\ub9cc \uc704, \uc544\ub798\ub294 \uac00\ub9ac\ud0ac \uc218 \uc5c6\uc5b4 \ubd99\uc5ec\uc9c4 \uc774\ub984\uc774\ub2e4. 2\ucc28\uc6d0 \uacf5\uac04\uc5d0\uc11c\ub294 XY\ubaa8\ud615\ucc98\ub7fc \uc5f0\uc18d\uc801\uc778 \ub300\uce6d\uc1314)<\/sup><\/span><\/span>\uc774 \uc788\ub294 \uacbd\uc6b0\uc5d0\ub294 \uc5b4\ub5a4 \uc628\ub3c4\uc5d0\uc11c\ub3c4 \uc790\uc131\uc744 \uac16\uc9c0 \ubabb\ud55c\ub2e4\ub294 \ud765\ubbf8\ub85c\uc6b4 \uc774\ub860\uc774 \uc788\ub2e4. \uc774\ub97c\u00a0<\/span><\/span>\uba38\ubbfc\u2013\ubc14\uadf8\ub108(Mermin-Wagner) \uc815\ub9ac<\/span><\/span>\ub77c\u00a0\ubd80\ub978\ub2e4. \uc774 \uc815\ub9ac\uc5d0 \ub530\ub974\uba74 2\ucc28\uc6d0 \uacf5\uac04\uc758 XY\ubaa8\ud615\uc740 \uc790\uc131\uc744 \uac16\uc9c0 \ubabb\ud558\uc9c0\ub9cc, \uc544\uc8fc \ud2b9\ubcc4\ud558\uace0\ub3c4 \ud765\ubbf8\ub85c\uc6b4 \uc704\uc0c1\uc218\ud559\uc801\uc778 \uc0c1\uc804\uc774\ub97c \ubcf4\uc5ec\uc900\ub2e4. \ubc14\ub85c 2016\ub144 \ub178\ubca8\uc0c1\uc744 \ubc1b\uc740 \uc2f8\uc6b8\ub9ac\uc2a4(Thouless)\uc640 \ucf54\uc2a4\ud138\ub9ac\uce20(Kosterlitz)\uc758 \uc5f0\uad6c\ub2e4.<\/span><\/span><\/p>\n

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\uacfc\ud559\uc5d0 \uad00\uc2ec \uc788\ub294 \uc0ac\ub78c\uc774\ub77c\uba74 2016\ub144 \ub178\ubca8\uc0c1 \ubc1c\ud45c \ud604\uc7a5\uc5d0 \ub4f1\uc7a5\ud55c \ubca0\uc774\uae00\uacfc \ud504\ub808\uc990\uc744 \uae30\uc5b5\ud560 \uac83\uc774\ub2e4. \uc2f8\uc6b8\ub9ac\uc2a4\uc640 \ucf54\uc2a4\ud138\ub9ac\uce20\uc758 \uc5f0\uad6c\uac00 \ubc14\ub85c \uadf8\ub54c \uadf8 \uc5f0\uad6c\ub2e4. (\ucd9c\ucc98: \ub178\ubca8\uc704\uc6d0\ud68c)<\/span><\/span><\/p>\n

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\uae30\ucd08\uacfc\ud559\uc5f0\uad6c\uc6d0(IBS) \uac15\uc0c1\uad00\uacc4 \ubb3c\uc9c8 \uc5f0\uad6c\ub2e8<\/b><\/span>\u00a0\ubc15\uc81c\uadfc \ubd80\uc5f0\uad6c\ub2e8\uc7a5 \ud300\uc740 \uc9c0\ub09c 1\uc6d4 21\uc77c \uad6d\uc81c\ud559\uc220\uc9c0 ‘\ub124\uc774\ucc98 \ucee4\ubba4\ub2c8\ucf00\uc774\uc158\uc988’\uc5d0 \uc720\uc758\ubbf8\ud55c \uc5f0\uad6c\uacb0\uacfc\ub97c \ubc1c\ud45c\ud588\ub2e4. 2\ucc28\uc6d0 \uacf5\uac04\uc5d0\uc11c 2\ucc28\uc6d0 \uc2a4\ud540\uc73c\ub85c \uad6c\uc131\ub41c \ubb3c\ub9ac\uacc4\ub294 \uc544\ubb34\ub9ac \uc628\ub3c4\uac00 \ub0ae\uc544\uc838\ub3c4 \uc790\uc131\uc744 \uac16\uc9c0 \ubabb\ud55c\ub2e4\ub294 \uac83\uc774 \uc798 \uc54c\ub824\uc838 \uc788\uc9c0\ub9cc, \uc774\ub97c \uc2e4\ud5d8\uc744 \ud1b5\ud574 \uc9c1\uc811 \uad6c\ud604\ud574 \ud655\uc778\ud55c \uae30\uc874 \uc5f0\uad6c\ub294 \uac70\uc758 \uc5c6\uc5c8\ub2e4.<\/span><\/p>\n

\ubc15 \ubd80\uc5f0\uad6c\ub2e8\uc7a5 \ud300\uc740 3\ucc28\uc6d0\uc778 \ubb3c\uc9c8\uc758 \ub450\uaed8\ub97c \uccb4\uacc4\uc801\uc73c\ub85c \uc904\uc5ec \ub531 \ud558\ub098\uc758 \uce35\ub9cc \uc788\ub294 2\ucc28\uc6d0 \ubb3c\uc9c8\uc744 \uad6c\ud604\ud588\ub2e4. \uac8c\ub2e4\uac00 3\ucc28\uc6d0 \uc2a4\ud540\uc758 \ucc28\uc6d0\uc744 \ud558\ub098 \uc904\uc5ec 2\ucc28\uc6d0 \uc2a4\ud540\uc744 \uc2e4\ud5d8\uc73c\ub85c \uad6c\ud604\ud574, \uc774 \ubb3c\uc9c8\uc774 \ub0ae\uc740 \uc628\ub3c4\uc5d0\uc11c\ub3c4 \uac00\uc9c0\ub7f0\ud788 \uc815\ub3c8\ub418\uc5b4 \uc9c8\uc11c\ub97c \uac16\uc9c0 \uc54a\ub294\ub2e4\ub294 \uac83\uc744 \uba85\ud655\ud788 \ubcf4\uc778 \ub180\ub77c\uc6b4 \uc5f0\uad6c\ub2e4. \ub0a9\uc791\ud55c \uc138\uc0c1\uc5d0 \uc874\uc7ac\ud558\ub294 \ub0a9\uc791\ud55c \uc6d0\uc790 \uc790\uc11d\ub4e4\uc740 \uc804\uccb4\ub85c\uc11c\ub294 \uc790\uc131\uc744 \uac00\uc9c8 \uc218 \uc5c6\ub2e4\ub294 \uba38\ubbfc-\ubc14\uadf8\ub108 \uc815\ub9ac\ub97c \uba85\ud655\ud788 \uc2e4\ud5d8\uc73c\ub85c \uc99d\uba85\ud55c \ud765\ubbf8\ub85c\uc6b4 \uc5f0\uad6c\uacb0\uacfc\ub2e4.<\/span><\/p>\n

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\uc6d0\uc790\uc758 \uc2a4\ud540\ub4e4\uc774 \uac19\uc740 \ubc29\ud5a5\uc744 \uac00\ub9ac\ucf1c\ub3c4 \uc790\uc11d\uc774 \ub418\uc9c0\ub9cc, \ub3c4\uc120\uc744 \ube59\ube59 \uac10\uace0 \uc804\ub958\ub97c \ud758\ub824\ub3c4 \uc790\uc11d\uc774 \ub41c\ub2e4. \ubb3c\ub860 \ud070 \uc804\ub958\ub97c \ud758\ub9b4\uc218\ub85d \ub354 \uac15\ud55c \uc790\uc11d\uc744 \ub9cc\ub4e4 \uc218 \uc788\ub2e4. \uadf8\ub7f0\ub370, \uc804\ub958\ub97c \ud758\ub824 \uc13c \uc790\uc11d\uc744 \ub9cc\ub4dc\ub294 \uac83\uc740 \uc27d\uc9c0 \uc54a\uc740 \uc77c\uc774\ub2e4. \uc804\ub958\uac00 \ud750\ub974\uba74 \uc634\uc758 \ubc95\uce59\uc744 \ub530\ub77c \ub3c4\uc120\uc5d0\uc11c \uc804\uae30\uc5d0\ub108\uc9c0\uac00 \uc5f4\uc758 \ud615\ud0dc\ub85c \ubcc0\ud658\ub418\uc5b4 \uc190\uc2e4\ub41c\ub2e4. \uc628\ub3c4\uac00 \uc544\uc8fc \ub192\uc544\uc838 \ub3c4\uc120\uc744 \ub179\uc774\uac70\ub098 \ubcc0\ud615\uc2dc\ud0ac \uc218\ub3c4 \uc788\ub2e4.<\/span><\/span><\/p>\n

\uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub824\uba74 \ub2f9\uc5f0\ud788 \uc800\ud56d\uc774 \uc544\uc8fc \uc791\uc740 \ub3c4\uc120\uc744 \uc4f0\uba74 \ub41c\ub2e4. \ud558\uc9c0\ub9cc, \uad81\uadf9\uc801\uc778 \ud574\uacb0\ucc45\uc740 \uc544\ub2c8\ub2e4. \ub3c4\uc120\uc774 \uae38\uc5b4\uc9c0\uba74 \ub3c4\uc120\uc758 \uc800\ud56d\uac12\uc774 \ud568\uaed8 \ube44\ub840\ud574 \ucee4\uc9c0\uace0, \ub610 \uc544\ubb34\ub9ac \uc800\ud56d\uc774 \uc791\ub354\ub77c\ub3c4 \ud070 \uc804\ub958\ub97c \ud758\ub9ac\uba74 \uacb0\uad6d \uc5d0\ub108\uc9c0 \uc190\uc2e4\uc774 \uc0dd\uae38 \uc218\ubc16\uc5d0 \uc5c6\uae30 \ub54c\ubb38\uc774\ub2e4. \uc644\ubcbd\ud55c \ud574\uacb0\ucc45\uc740, \uc800\ud56d\uc774 \uc544\uc8fc \uc791\uc740 \uc815\ub3c4\uac00 \uc544\ub2c8\ub77c, \uc800\ud56d\uc774 \uc815\ud655\ud788 \uc601(0)\uc778 \ubb3c\uc9c8\uc744 \uc774\uc6a9\ud558\ub294 \uac70\ub2e4.<\/span><\/p>\n

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\uc2e0\uccb4 \ub0b4\ubd80\ub97c \uc9c4\ub2e8\ud558\uae30 \uc704\ud55c \uc790\uae30\uacf5\uba85\uc601\uc0c1(MRI) \uc7a5\uce58\uc5d0\ub3c4 \uc804\uae30\uc800\ud56d\uc744 \uc5c6\uc564 \ucd08\uc804\ub3c4 \uc790\uc11d\uc774 \uc0ac\uc6a9\ub41c\ub2e4. (\ucd9c\ucc98: Pixabay)<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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\uc804\uae30 \uc800\ud56d\uc774 0\uc778 \ubb3c\uc9c8\uc774 \uc815\ub9d0\ub85c \uc788\ub2e4. \uc628\ub3c4\uac00 \ucda9\ubd84\ud788 \ub0ae\uc544\uc9c0\uba74 \uc804\uae30 \uc800\ud56d\uc774 \uc815\ud655\ud788 0\uc774 \ub418\ub294 \ubb3c\uc9c8\uc774 \ubc14\ub85c \ucd08\uc804\ub3c4\uccb4\ub2e4. \uc5c4\uccad\ub09c \ud06c\uae30\uc758 \uc790\uc131\uc744 \uac00\uc9c4 \uc790\uc11d\uc744 \ub9cc\ub4dc\ub294 \uac00\uc7a5 \uc88b\uc740 \ubc29\ubc95\uc740 \ubc14\ub85c \ucd08\uc804\ub3c4 \uc790\uc11d\uc774\ub2e4. \ubcd1\uc6d0\uc5d0\uc11c \uc0ac\uc6a9\ud558\ub294 \uc790\uae30\uacf5\uba85\uc601\uc0c1\uc7a5\uce58(MRI)\ub3c4 \ucd08\uc804\ub3c4\uccb4\ub97c \uc4f4\ub2e4. \ucd08\uc804\ub3c4\uccb4\uc5d0 \ud070 \uc804\ub958\ub97c \ud758\ub824 \ucee4\ub2e4\ub780 \uc790\uae30\uc7a5\uc744 \ub9cc\ub4e4\uc5b4 \ub0bc \uc218 \uc788\uace0, \uc790\uae30\uc7a5\uc774 \uac15\ud560\uc218\ub85d \ub354 \uc120\uba85\ud55c \uc758\ub8cc\uc601\uc0c1\uc744 \uc5bb\uc744 \uc218 \uc788\ub2e4.<\/span><\/p>\n

\uacfc\ud559\uc790\ub4e4\uc740 \ucd08\uc804\ub3c4 \uc790\uc11d\uc744 \uc870\uae08 \ub354 \uadfc\uc6d0\uc801\uc778 \ud638\uae30\uc2ec\uc744 \ud574\uacb0\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ud558\uae30\ub3c4 \ud55c\ub2e4. \ubc14\ub85c \uc6b0\uc8fc\uc758 \ube44\ubc00\uc744 \uac04\uc9c1\ud55c \uc554\ud751\ubb3c\uc9c8\uc5d0 \ub300\ud55c \uc5f0\uad6c\ub2e4. \uc554\ud751\ubb3c\uc9c8\uc740 \uc804\uccb4 \uc6b0\uc8fc \uacf5\uac04\uc758 27%\ub97c \ucc28\uc9c0\ud560 \uac83\uc73c\ub85c \ucd94\uc815\ub418\ub294 \ubb3c\uc9c8\uc774\ub2e4. \uc774\ub984\uc5d0\uc11c \ub290\uaef4\uc9c0\ub4ef, \ub3c4\ub300\uccb4 \uc554\ud751\ubb3c\uc9c8\uc774 \uc5b4\ub5a4 \uc785\uc790\ub85c \uad6c\uc131\ub3fc \uc788\ub294 \uc9c0\ub294 \ud655\uc778\ub41c \uc801\uc774 \uc5c6\ub2e4.<\/span><\/p>\n

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\uc2e0\ube44\ud55c \ube5b\uc73c\ub85c \ud45c\ud604\ub41c \uc6b0\uc8fc. \uc6b0\uc8fc\uc5d0 \ub110\ub9ac \ubd84\ud3ec\ud558\ub294 \ubb3c\uc9c8\uc778 \u2018\uc554\ud751\ubb3c\uc9c8\u2019\uc740 \uc2e4\uc81c\ub85c \uc6b0\ub9ac \ub208\uc5d0 \ubcf4\uc774\uc9c0 \uc54a\uc73c\ub098 \uc6b0\uc8fc \ucd1d \uc5d0\ub108\uc9c0\uc758 \ub300\ub7b5 27%\ub97c \ucc28\uc9c0\ud558\uace0 \uc788\ub2e4.<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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\uae30\ucd08\uacfc\ud559\uc5f0\uad6c\uc6d0(IBS) \uc561\uc2dc\uc628 \ubc0f \uadf9\ud55c\uc0c1\ud638\uc791\uc6a9 \uc5f0\uad6c\ub2e8(CAPP)\uc740<\/b><\/span>\u00a0\uc554\ud751\ubb3c\uc9c8\uc758 \uc720\ub825 \ud6c4\ubcf4 \uc911 \ud558\ub098\uc778 \uc561\uc2dc\uc628(Axion)\uc744 \uac80\ucd9c\ud558\uae30 \uc704\ud574 \ucd08\uc804\ub3c4 \uc790\uc11d\uc744 \ud65c\uc6a9\ud55c\ub2e4. \uc561\uc2dc\uc628\uc740 \uac00\uc0c1\uad11\uc790(virtual photon)\uc640 \ub9cc\ub098 \uc2e4\ud5d8\uc5d0\uc11c \uc9c1\uc811 \uad00\ucc30\ud560 \uc218 \uc788\ub294 \uc2e4\uc81c\uc758 \uad11\uc790\ub85c \ubcc0\ud658\ub418\ub294\ub370, \uc774 \uad11\uc790\ub97c \uac80\ucd9c\ud574 \uc561\uc2dc\uc628\uc758 \uc874\uc7ac\ub97c \ud655\uc778\ud560 \uc218 \uc788\ub2e4. \uac00\uc0c1\uad11\uc790\uac00 \ub9ce\uc744\uc218\ub85d \uc561\uc2dc\uc628 \uac80\ucd9c\ud655\ub960\uc774 \ub192\uc544\uc9c0\uace0, \uac00\uc0c1\uad11\uc790\uc758 \uc22b\uc790\ub294 \uc790\uae30\uc7a5\uc758 \uc138\uae30\uc758 \uc81c\uacf1\uc5d0 \ube44\ub840\ud55c\ub2e4. \uc989, \uc790\uae30\uc7a5\uc774 \uac15\ud560\uc218\ub85d, \uc790\uae30\uc7a5\uc774 \uc874\uc7ac\ud558\ub294 \uc7a5\uce58 \ub0b4\ubd80 \ubd80\ud53c\uac00 \ud074\uc218\ub85d \uac80\ucd9c\uc774 \uc720\ub9ac\ud558\ub2e4\ub294 \uac83\uc774\ub2e4.<\/span><\/p>\n

CAPP \uc5f0\uad6c\uc9c4\uc740 \uc561\uc2dc\uc628 \uac80\ucd9c \ud655\ub960\uc744 \ub192\uc774\uae30 \uc704\ud574 8T(\ud14c\uc2ac\ub77c) \uc774\uc0c1\uc758 \uc790\uae30\uc7a5\uc744 \uc800\uc628\ucd08\uc804\ub3c4\uccb4\ub97c \uc774\uc6a9\ud574 \uad6c\ud604\ud588\ub2e4. \uc774\ub294 \uc9c0\uad6c\uac00 \ub9cc\ub4e4\uc5b4\ub0b4\ub294 \uc790\uae30\uc7a5\uc758 \uc57d 10\ub9cc \ubc30\uc5d0 \uc774\ub974\ub294 \ud06c\uae30\ub2e4. \ub354 \ub098\uc544\uac00 \ucd5c\uadfc\uc5d4 18T\uc758 \uc790\uae30\uc7a5\uc744 \ub9cc\ub4e4\uc5b4\ub0bc \uc218 \uc788\ub294 \uace0\uc628\ucc9c\uc804\ub3c4\uccb4 \uc790\uc11d\uc744 \uac1c\ubc1c\ud574 \uc2e4\ud5d8\uc5d0 \ud65c\uc6a9\ud558\uace0 \uc788\ub2e4.<\/span><\/p>\n

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\uc6b0\ub9ac \uac00\uae4c\uc774\uc5d0 \uc788\ub294 \uac00\uc7a5 \ucee4\ub2e4\ub780 \uc790\uc11d\uc740 \uc9c0\uad6c \uc790\uccb4\ub2e4. (\ucd9c\ucc98: Pixabay)<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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\uc724\uc131\uc6b0 IBS \uc561\uc2dc\uc628 \ubc0f \uadf9\ud55c\uc0c1\ud638\uc791\uc6a9 \uc5f0\uad6c\ub2e8 \uc5f0\uad6c\uc704\uc6d0\uc740<\/span>\u00a0“\uc774\ub860\uc801\uc73c\ub85c \ud789\uc2a4\uc758 \uc874\uc7ac\ub97c \uc608\uce21\ud55c \ub4a4 \ubc18\uc138\uae30 \ud6c4\uc5d0\uc57c \uc2e4\uc81c \ud789\uc2a4\uc785\uc790\uc758 \uac80\ucd9c\uc774 \uc774\ub904\uc84c\ub4ef\uc774, \uc561\uc2dc\uc628 \uc5ed\uc2dc \uc608\uce21(1977\ub144) \ubc18\uc138\uae30 \ub4a4\uc778 \uc9c0\uae08\ubd80\ud130 \uc55e\uc73c\ub85c\uc758 10\ub144\uc774 \uc561\uc2dc\uc628 \uac80\ucd9c\uc5d0 \uc788\uc5b4 \uc544\uc8fc \uc911\uc694\ud55c \uc2dc\uae30\uac00 \ub420 \uac83\uc73c\ub85c \ubcf4\uc778\ub2e4”\uace0 \ub9d0\ud588\ub2e4.<\/span><\/p>\n

\uc6b0\ub9ac\ub294 \uc5ec\ud589\uc9c0\uc5d0 \ubc29\ubb38\ud558\uba74 \uc5ec\ud589\uc744 \uae30\ub150\ud558\ub294 \ub9c8\uadf8\ub137\uc744 \ud558\ub098\uc529 \uc0ac\uc624\uace0\ub294 \ud55c\ub2e4. \ud559\ucc3d\uc2dc\uc808 \uacfc\ud559\uc2dc\uac04\uc5d0 \uc811\ud588\ub358 \ub9d0\uad7d\uc790\uc11d, \ub9c9\ub300\uc790\uc11d \uc678\uc5d0\ub3c4 \uacfc\ud559\uc790\ub4e4\uc758 \uc138\uc0c1\uc5d4 \uc774\ud1a0\ub85d \ub354 \ub2e4\uc591\ud55c \uc790\uc11d\ub4e4\uc774 \uc874\uc7ac\ud55c\ub2e4. IBS \uac15\uc0c1\uad00\uacc4 \ubb3c\uc9c8 \uc5f0\uad6c\ub2e8\uc5d0\uc11c \uc5f0\uad6c \uc911\uc778 \ub0a9\uc791\ud55c \uc790\uc11d, \uadf8\ub9ac\uace0 \uc6b0\uc8fc\uc758 \ube44\ubc00\uc744 \ud480\uc5b4\ub0b4\uae30 \uc704\ud55c \uac15\ub825\ud55c \uc790\uc11d\uc774 \uadf8 \uc608\ub2e4. \uc774 \uc790\uc11d\ub4e4\uc740 \ub2e4\ub978 \ubb3c\uc9c8\uc744 \ub04c\uc5b4\ub2f9\uae30\ub294 \uac83\uc5d0\uc11c \uadf8\uce58\uc9c0 \uc54a\uace0\u00a0<\/span>\uc778\ub958\uc5d0\uac8c \uc0c8\ub85c\uc6b4 \uc9c0\uc2dd\uc744 \ub04c\uc5b4\ub2e4\uc8fc\uc9c0 \uc54a\uc744\uae4c.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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1) \ub2e8\uc9c0 \ube44\uc720\uc801\uc778 \ud45c\ud604\uc77c \ubfd0\uc774\ub2e4. \ubb3c\uc9c8\uc740 \uc758\uc9c0\uac00 \uc5c6\ub2e4. \ubb3c\uc9c8\uc744 \uac00\ub9cc\ud788 \ub0b4\ubc84\ub824\ub450\uace0 \ud3c9\ud615\uc0c1\ud0dc\uc5d0 \ub3c4\ub2ec\ud560 \ub54c\uae4c\uc9c0 \uae30\ub2e4\ub9ac\uba74, \uc790\uc720\uc5d0\ub108\uc9c0\uc758 \uac12\uc740 \uc810\uc810 \uc904\uc5b4 \ud3c9\ud615\uc0c1\ud0dc\uc5d0\uc11c \uac00\uc7a5 \uc791\uc740 \uac12\uc744 \uac00\uc9c0\uac8c \ub41c\ub2e4\ub294 \ub73b\uc774\ub2e4.<\/p>\n

2) \uc790\uc720\uc5d0\ub108\uc9c0 F\ub97c \uc5d0\ub108\uc9c0 E\uc640 \uc5d4\ud2b8\ub85c\ud53c S, \uadf8\ub9ac\uace0 \uc628\ub3c4 T\ub97c \uc774\uc6a9\ud574 \uc801\uc73c\uba74 F = E \u2013 TS\uc774\ub2e4. \uc628\ub3c4 T\uac00 0\uc774\uba74 \uc5d0\ub108\uc9c0 E\uac00 \uac00\uc7a5 \uc791\uc744 \ub54c\uac00 \uc790\uc720\uc5d0\ub108\uc9c0\uac00 \ucd5c\uc18c\uc778 \uc0c1\ud0dc\uace0, \uc628\ub3c4 T\uac00 \uc544\uc8fc \ub192\uc73c\uba74 \uc5d4\ud2b8\ub85c\ud53c S\uac00 \uac00\uc7a5 \ud074 \ub54c\uac00 \uc790\uc720\uc5d0\ub108\uc9c0\uac00 \ucd5c\uc18c\uc778 \uc0c1\ud0dc\ub2e4.<\/p>\n

3)1\ucc28\uc6d0 \uacf5\uac04\uc758 1\ucc28\uc6d0 \uc2a4\ud540\uacc4\uc5d0\uc11c \uc5d0\ub108\uc9c0\uac00 \uac00\uc7a5 \ub0ae\uc740 \ubc14\ub2e5\uc0c1\ud0dc\ub294 \ubaa8\ub4e0 \uc2a4\ud540\uc774 \uac19\uc740 \uac12(\uc608\ub97c \ub4e4\uc5b4 +1)\uc744 \uac00\uc9c8 \ub54c\ub2e4. \ubc14\ub2e5\uc0c1\ud0dc\uc5d0\uc11c \uc2dc\uc791\ud574 \uc2a4\ud540 \ud558\ub098\uac00 \ub4a4\uc9d1\ud78c \uc0c1\ud0dc\ub97c \ub9cc\ub4e4\uace0 \uc774 \uc0c8 \uc0c1\ud0dc\uc640 \ubc14\ub2e5\uc0c1\ud0dc\uc640\uc758 \uc790\uc720\uc5d0\ub108\uc9c0 \ucc28\uc774\ub97c \uad6c\ud560 \uc218 \uc788\ub2e4. \uc5d0\ub108\uc9c0\uc758 \ubcc0\ud654\ub7c9\uc740 \uc2a4\ud540\uc758 \uac1c\uc218 N\uc5d0 \ubb34\uad00\ud558\uc9c0\ub9cc, \uc5d4\ud2b8\ub85c\ud53c\uc758 \ubcc0\ud654\ub7c9\uc740 \uc5b4\ub290 \uc2a4\ud540\uc744 \ub4a4\uc9d1\ub294 \uc9c0\uc5d0 \uad00\ub828\ub41c \uacbd\uc6b0\uc758 \uc218\uac00 N\uc774\ubbc0\ub85c log N\uc5d0 \ube44\ub840\ud55c\ub2e4. \ub530\ub77c\uc11c, \ucda9\ubd84\ud788 \ub9ce\uc740 \uc218\uc758 \uc2a4\ud540\uc774 \uc788\ub294 \uacbd\uc6b0 \uc5d4\ud2b8\ub85c\ud53c\uc758 \ubcc0\ud654\uac00 \uc5d0\ub108\uc9c0\uc758 \ubcc0\ud654\ubcf4\ub2e4 \ud56d\uc0c1 \ud06c\uac8c \ub41c\ub2e4. \uc790\uc720\uc5d0\ub108\uc9c0\ub294 F = E \u2013 TS\uc774\ubbc0\ub85c \uc808\ub300\uc628\ub3c4\uac00 0\ub3c4\ub9cc \uc544\ub2c8\ub77c\uba74, \ubc14\ub2e5\uc0c1\ud0dc\uc5d0\uc11c \uc5b4\ub290 \ud55c\uacf3\uc758 \uc2a4\ud540\uc774 \ub4a4\uc9d1\ud78c \uc0c1\ud0dc\uac00 \uc790\uc720\uc5d0\ub108\uc9c0\uac00 \ub354 \ub0ae\uc740 \uc0c1\ud0dc\ub2e4. \uc989, 1\ucc28\uc6d0 \uc774\uc9d5 \ubaa8\ud615\uc758 \ubc14\ub2e5\uc0c1\ud0dc\ub294 \uc601\uc774 \uc544\ub2cc \uc628\ub3c4\uc5d0\uc11c \uc548\uc815\ub418\uac8c \uc720\uc9c0\ub420 \uc218 \uc5c6\uace0, +1, -1\uc774 \ub4a4\uc8fd\ubc15\uc8fd \uc11e\uc5ec\uc788\uc5b4 \uc804\uccb4\uc758 \uc790\uc131\uc774 \uc601\uc778 \uc0c1\ud0dc\uac00 \ud3c9\ud615\uc0c1\ud0dc\uac00 \ub41c\ub2e4.<\/p>\n

4) \uc804\uccb4 XY\ubaa8\ud615\uc758 \ubaa8\ub4e0 \uc2a4\ud540\ub4e4\uc744 \ud558\ub098\uac19\uc774 \ub611\uac19\uc774 \uc784\uc758\uc758 \uac01\ub3c4 \u03b8\ub9cc\ud07c \ub3cc\ub824\ub3c4 \ubaa8\ub4e0 \ubb3c\ub9ac\ud604\uc0c1\uc774 \ub611\uac19\ub2e4\ub294 \uac83\uc744 \ubcf4\uc77c \uc218 \uc788\ub2e4. \uac01\ub3c4 \u03b8\uac00 \uc5f0\uc18d\uc801\uc778 \uac12\uc744 \uac00\uc9c8 \uc218 \uc788\uc73c\ubbc0\ub85c, \uc774\ub7f0 \uacbd\uc6b0 \uc5f0\uc18d\uc801\uc778 \ub300\uce6d\uc131\uc774 \uc788\ub2e4\uace0 \ub9d0\ud55c\ub2e4.<\/p><\/blockquote>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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(\uc6d0\ubb38: \uc5ec\uae30<\/a>\ub97c \ud074\ub9ad\ud558\uc138\uc694~)<\/p>\n

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\uc544\ub798\ub294 2019\ub144 7\uc6d4 19\uc77c \ub274\uc2a4\uc785\ub2c8\ub2e4~<\/p>\n

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\uace0\uccb4 \uc790\uc11d \ubcf4\uac15\ud560 \uc561\uccb4 \uc790\uc11d \uc2dc\ub300 \uc5f4\uc5b4<\/b><\/p>\n

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\ubb3c\uc9c8\uc740 \ud06c\uace0 \uc791\ub4e0 \uc790\uae30\uc801\uc778 \uc131\uc9c8\uc744 \uc9c0\ub2c8\uace0 \uc788\ub2e4. \uc790\uc131(magnetism)\uc774\ub77c\uace0 \ud558\ub294\ub370 \uc790\uc11d\uc774 \uc1f3\uc870\uac01\uc744 \ub04c\uc5b4\ub2f9\uae30\uac70\ub098 \uc804\ub958\uc5d0 \uc791\uc6a9\uc744 \ubbf8\uce58\ub294 \uac83 \ub4f1\uc758 \uc131\uc9c8\uc744 \ub9d0\ud55c\ub2e4.<\/p>\n

\uc0ac\ub78c\ub4e4\uc740 \uadf8\ub3d9\uc548 \uc774 \uc790\uc131\uc744 \uace0\uccb4\ub9cc \uc9c0\ub2c8\uace0 \uc788\ub294 \uac83\uc73c\ub85c \uc5ec\uaca8\uc654\ub2e4. \uc2dc\uc911\uc5d0\uc11c \uc2e0\uae30\ud55c \uc790\uc11d\uc774\ub77c\uace0 \ubd88\ub9ac\uba70 \uc0ac\uc6a9\ub418\uace0 \uc788\uc9c0\ub9cc \uc774 \uc790\uc11d\uc740 \uc561\uccb4\uac00 \uc544\ub2c8\ub77c \ubbf8\uc138\ud55c \ubd84\ub9d0\uc744 \ub2e4\ub978 \uc561\uccb4\uc640 \ud63c\ud569\ud55c \uac83\uc744 \ub9d0\ud55c\ub2e4.
\n\ud604\uc2e4 \uc138\uacc4\uc5d0\uc11c \uc561\uccb4 \uc790\uc11d\uc774 \ubd88\uac00\ub2a5\ud55c \uac83\uc73c\ub85c \uc5ec\uaca8\uc654\uc9c0\ub9cc \ucd5c\uadfc \uacfc\ud559\uc790\ub4e4\uc774 \uc774\ub7f0 \uace0\uc815\uad00\ub150\uc744 \ub4a4\uc9d1\uace0 \uc788\ub2e4.<\/p>\n

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\uacfc\ud559\uc790\ub4e4\uc774 \uc601\uad6c\uc801\uc73c\ub85c \uc790\uc131\uc774 \uc788\ub294 \uc561\uccb4\ub97c \ub9cc\ub4e4\uc5b4 \ub0b4\ub294\ub370 \uc131\uacf5\ud558\uba74\uc11c \u2018\uc601\uad6c\uc790\uc11d=\uace0\uccb4\u2019\ub77c\ub294 \uacf5\uc2dd\uc774 \ubb34\ub108\uc9c0\uace0 \uc788\ub2e4. \uc0ac\uc9c4\uc740 \uae30\ub984 \uc18d\uc5d0 \ub4e4\uc5b4 \uc788\ub294 \uc790\uc131\uc744 \ucd2c\uc601\ud55c \uc0ac\uc9c4. \u24d2Wikipedia<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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\uc601\uad6c\uc790\uc11d=\uace0\uccb4\ub77c\ub294 \uacf5\uc2dd \ub4a4\uc9d1\uc5b4\u00a0<\/strong><\/p>\n

19\uc77c \u2018\uc0ac\uc774\uc5b8\uc2a4 \ub274\uc2a4\u2019, \u2018\uc0ac\uc774\uc5b8\uc2a4 \ub370\uc77c\ub9ac\u2019 \ub4f1 \uc8fc\uc694 \uacfc\ud559\uc5b8\ub860\uc740 \ubbf8\uad6d \uc5d0\ub108\uc9c0\ubd80 \uc18c\uc18d \ubc84\ud074\ub9ac \uad6d\ub9bd\uc5f0\uad6c\uc18c(Berkeley Lab)\uc5d0\uc11c \uc601\uad6c\uc801\uc73c\ub85c \uc790\uc131\uc774 \uc788\ub294 \uc561\uccb4\ub97c \ub9cc\ub4e4\uc5b4\ub0b4\ub294\ub370 \uc131\uacf5\ud588\ub2e4\uace0 \ubcf4\ub3c4\ud588\ub2e4.<\/p>\n

\uc774 \uc561\uccb4 \uc790\uc11d(Ferrofluids)\uc740 \ubc84\ud074\ub9ac \ub7a9\uc5d0\uc11c \uc5f0\uad6c \ubc29\uc2dd\uc744 \uc124\uacc4\ud558\uace0, \ub9e4\uc0ac\ucd94\uc138\uce20\ub300\ud559\uad50\uc5d0\uc11c \uc5f0\uad6c\ub97c \uc218\ud589\ud558\ub294 \ubc29\uc2dd\uc73c\ub85c \uc9c4\ud589\ub410\ub2e4.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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\ub85c\ub80c\uc2a4\ubc84\ud074\ub9ac\uc5f0\uad6c\uc18c\ub294 \ubbf8\uad6d\uc5d0\uc11c \uac00\uc7a5 \uc624\ub798\ub41c \uad6d\ub9bd\uc5f0\uad6c\uc18c\ub85c \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0 \uac78\uccd0 \ucca8\ub2e8 \uacfc\ud559\uae30\uc220\uc744 \uc5f0\uad6c\ud574 \uc628 \uacb0\uacfc, \uc5f0\uad6c\uc18c \uc124\ub9bd \uc774\ud6c4 11\uba85\uc758 \ub178\ubca8\uc0c1 \uc218\uc0c1\uc790(\ubb3c\ub9ac\ud559\uc0c1 7\uba85, \ud654\ud559\uc0c1 4\uba85)\ub97c \ubc30\ucd9c\ud588\ub2e4. \u24d2 Wikimedia Commons<\/span><\/div>\n
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7\ub144\uac04\uc758 \uc5f0\uad6c\ub97c \uac70\uccd0 \uc601\uad6c\uc801\uc778(permanent) \uc18d\uc131\uc758 \uc561\uccb4 \uc790\uc11d\uc744 \uac1c\ubc1c\ud558\ub294\ub370 \uc131\uacf5\ud588\ub294\ub370 \uc554 \uce58\ub8cc\uc5d0 \uc801\uc6a9\ud558\uace0 \uc788\ub294 \uc778\uacf5\uc138\ud3ec\ub97c \ubcf4\ub2e4 \ud6a8\uc728\uc801\uc73c\ub85c \uc81c\uc5b4\ud560 \uc218 \uc788\ub294 \ub4f1 \ub2e4\uc591\ud55c \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\uc774 \uac00\ub2a5\ud55c \uac83\uc73c\ub85c \ud3c9\uac00\ubc1b\uace0 \uc788\ub2e4.<\/p>\n

\u2018\uc0ac\uc774\uc5b8\uc2a4 \ub274\uc2a4\u2019\ub294 \uc774 \uc561\uccb4 \uc790\uc11d\uc744 \ud1b5\ud574 MRI(\uc790\uae30\uacf5\uba85\uc601\uc0c1\uc7a5\uce58)\uc758 \uc2a4\uce94 \uc7a5\uce58 \uc131\ub2a5\uc744 \uac15\ud654\ud560 \uc218 \uc788\uc73c\uba70, \uac15\ud55c \uc790\uc131\uc774 \ud544\uc694\ud55c \ub370\uc774\ud130 \uc800\uc7a5 \uc7a5\uce58 \ub4f1\uc5d0 \ud65c\uc6a9\ud560 \uc218 \uc788\ub2e4\uace0 \ubcf4\ub3c4\ud588\ub2e4.<\/p>\n

\uc5f0\uad6c\ub97c \uc774\ub048 \ubc84\ud074\ub9ac \uc5f0\uad6c\uc18c\uc758 \uacf5\ud559\uc790\uc774\uba74\uc11c \ud3f4\ub9ac\uba38 \uc804\ubb38\uac00\uc778 \ud1b0 \ub7ec\uc140(Tom Russell) \uad50\uc218\ub294 \u2018\uc0ac\uc774\uc5b8\uc2a4 \ub370\uc77c\ub9ac\u2019\uc640\uc758 \uc778\ud130\ubdf0\ub97c \ud1b5\ud574 \u201c\uacfc\uac70 \uacfc\ud559\uc790\ub4e4\uc774 \uc0dd\uac01\uc9c0 \ubabb\ud55c \ubb3c\uc9c8\uc744 \ub9cc\ub4e4\uc5b4\ub0c8\ub2e4.\u201d\uba70, \u201c\ud5a5\ud6c4 \uace0\uccb4\uac00 \uc544\ub2cc \uc561\uccb4 \uc5f0\uc131 \uc790\uc11d\uc758 \uc2dc\ub300\uac00 \uc5f4\ub9b4 \uac83\u201d\uc774\ub77c\uace0 \ub9d0\ud588\ub2e4.<\/p>\n

\ub17c\ubb38\uc740 \uacfc\ud559\ud559\uc220\uc9c0 \u2018\uc0ac\uc774\uc5b8\uc2a4\u2019 19\uc77c \uc790\uc5d0 \uac8c\uc7ac\ub410\ub2e4. \ub17c\ubb38 \uc81c\ubaa9\uc740 \u2018\uac00\ubcc0\uad6c\uc870\ud615 \uac15\uc790\uc131 \uc561\uccb4 \ubb3c\ubc29\uc6b8(Reconfigurable ferromagnetic liquid droplets)\u2019\uc774\ub2e4.<\/p>\n

\uc5f0\uad6c\ud300\uc740 \ub17c\ubb38\uc5d0\uc11c \uae30\uc874\uc758 \uace0\uccb4 \uc790\uc11d\uc740 \ud615\ud0dc \ubcc0\ud654\uac00 \ubd88\uac00\ub2a5\ud574 \uace0\uccb4\ub97c \uc8fc\uc785\ud558\uae30 \ud798\ub4e0 \ud2b9\uc218\ud55c \uc0c1\ud669\uc5d0\uc11c \uc0ac\uc6a9\uc774 \ubd88\uac00\ub2a5\ud588\ub2e4\uace0 \ub9d0\ud588\ub2e4. \uadf8\ub7ec\ub098 \uc0c8\ub85c \uac1c\ubc1c\ud55c \uc561\uccb4 \uc790\uc11d(Ferrofluids)\uc740 \ud615\ud0dc \ubcc0\ud654\ub97c \ud1b5\ud574 \uc0ac\uc6a9\uc774 \uac00\ub2a5\ud55c\ub370\ub2e4 \uc678\ubd80 \uc628\ub3c4\uc5d0 \ub530\ub77c \uc790\uc131\uc5d0 \ubcc0\ud654\ub97c \uc77c\uc73c\ud0a8\ub2e4.<\/p>\n

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\ub7ec\uc140 \uad50\uc218\ub294 \u201c\uac15\uc790\uc131(ferromagnetism) \uc678\uc5d0\ub3c4 \uc790\uc131\uacfc \ubc18\uc790\uc131 \uc0ac\uc774\uc5d0 \uc788\ub294 \uc0c1\uc790\uc131(paramagnetic), \uc790\uae30\uc131\uc774 \uadf9\ub3c4\ub85c \uc57d\ud574 \ubb3c\uc9c8\uc744 \ubc00\uc5b4\ub0b4\ub294 \ubc18\uc790\uc131(diamagnetism)\uc744 \ub768 \uc218 \uc788\ub2e4.\u201d\uace0 \ub9d0\ud588\ub2e4.<\/p>\n

\ucd08\uc18c\ud615 \ub85c\ubd07, MRI \ub4f1\uc5d0 \uc801\uc6a9 \uac00\ub2a5\ud574\u00a0<\/strong><\/p>\n

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\ub7ec\uc140 \uad50\uc218\ub294 \uc9c0\ub09c 7\ub144 \ub3d9\uc548 \ubc84\ud074\ub9ac \ub7a9 \uc18c\uc7ac\uacfc\ud559 \uc5f0\uad6c\ud30c\ud2b8\uc5d0\uc11c \u2018Adaptive Interfacial Assemblies Towards Structuring Liquids\u2019\uc774\ub780 \ud0c0\uc774\ud2c0\ub85c \uc561\uccb4 \uc790\uc11d \uc5f0\uad6c\ub97c \uc774\ub04c\uc5b4\uc654\ub2e4.<\/p>\n

\uc561\uccb4 \ud615\ud0dc\ub85c \ubcc0\ud615\uc774 \uac00\ub2a5\ud55c \uc790\uc11d\uc744 3D \ud504\ub9b0\ud130\ub85c \uc81c\uc791\ud558\uae30 \uc704\ud55c \ubc29\ubc95\uc744 \uac15\uad6c\ud574\uc654\ub294\ub370 \ud568\uaed8 \uc77c\ud558\ub358 \uc26c\ubcf4 \ub958(Xubo Liu) \uc5f0\uad6c\uc6d0\uc774 \uc561\uccb4 \uc790\uc11d \uad6c\uc870\ub97c \ud615\uc131\ud560 \uc218 \uc788\ub294 \ubc29\uc548\uc744 \uace0\uc548\ud574\ub0c8\ub2e4. \uc0b0\ud654\ucca0(iron-oxide)\uc744 \ub179\uc5ec \uac15\uc790\uc131\uc744 \ub764 \uc561\uccb4 \uc790\uc11d\uc744 \ub9cc\ub4e4\uc5b4\ub0b4\ub294 \ubc29\uc2dd\uc774\ub2e4.<\/p>\n

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\uc561\uccb4 \uc790\uc11d\uc740 \uc0b0\ud654\ucca0\uc744 \ubb3c\uc774\ub098 \uae30\ub984\uc5d0 \uc11e\uc5b4\ub9cc\ub4e0 \uac83\uc73c\ub85c \ucca8\ub2e8 \ubc18\ub3c4\uccb4\ub098 \uc6b0\uc8fc \ud56d\uacf5 \ubd84\uc57c\uc5d0\uc11c \uc0ac\uc6a9\ud55c\ub2e4. \u24d2 Wikimedia Commons<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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\ud765\ubbf8\ub85c\uc6b4 \uc0ac\uc2e4\uc740 \uc774 \uc791\uc5c5\uc774 \ub610 \ub2e4\ub978 \uc790\uc131 \ubb3c\uc9c8\uc774 \uc8fc\ubcc0\uc5d0\uc11c \uc791\uc6a9\ud558\uace0 \uc788\uc744 \ub54c \uac00\ub2a5\ud558\ub2e4\ub294 \uc0ac\uc2e4\uc774\uc5c8\ub2e4. \uc774\uc0c1\ud558\uac8c \uc5ec\uae34 \ub7ec\uc140 \uad50\uc218\ub294 \uc561\uccb4 \uc790\uc11d\uc774 \uc8fc\ubcc0 \uc790\uc131 \ubb3c\uc9c8\uc5d0 \uc77c\uc2dc\uc801\uc73c\ub85c \uc601\ud5a5\uc744 \ubc1b\uace0 \uc788\ub2e4\uba74 \uc8fc\ubcc0 \uc0c1\ud669 \ubcc0\ud654\uc5d0 \ub530\ub77c \uc601\uad6c\uc801\uc73c\ub85c \uac15\uc790\uc131\uc744 \ub768 \uc218\ub3c4 \uc788\uc73c\uba70, \uc0c1\uc790\uc131, \ubc18\uc790\uc131\uc744 \ub768 \uc218 \uc788\ub2e4\uace0 \ud310\ub2e8\ud588\ub2e4.<\/p>\n

\uadf8\ub9ac\uace0 \uc774\ub97c \uc2e4\ud604\ud558\uae30 \uc704\ud574 3D \ud504\ub9b0\ud130\ub97c \ud65c\uc6a9\ud588\ub2e4. \uc561\uccb4 \uc790\uc11d\uc744 \ub9cc\ub4e4\uae30 \uc704\ud574 \ud2b9\ubcc4\ud788 \uc81c\uc791\ud55c \uae30\uae30\uc600\ub2e4. \ubc84\ud074\ub9ac \ub7a9 \uc5f0\uad6c\uc6d0\ub4e4\uc740 \uc774 \ud504\ub9b0\ud130\ub97c \ud65c\uc6a9\ud574 \uc9c1\uacbd 20\ub098\ub178\ubbf8\ud130 \ud06c\uae30\uc758 \uc6a9\ud574\ub41c \uc561\uccb4 \uc0b0\ud654\ucca0\ub85c \uc9c1\uacbd 1mm \ud06c\uae30\uc758 \ubb3c\ubc29\uc6b8\uc744 \uc81c\uc791\ud558\uace0 \uc788\uc5c8\ub2e4.<\/p>\n

\uc5f0\uad6c\ud300\uc740 \uc774 \uae30\uae30\uc5d0 \ud45c\uba74\ud654\ud559(surface chemistry)\uacfc \ucca8\ub2e8 \uc6d0\uc790\ud604\ubbf8\uacbd \uae30\uc220(atomic force microscopy techniques)\uc744 \uc801\uc6a9\ud574 \u2018\uacc4\uba74 \uc7ac\ubc0d(interfacial jamming)\u2019 \ud604\uc0c1\uc744 \uc720\ubc1c\ud588\ub2e4. \uc774\uc5b4 \ub450 \ubc29\uc6b8\uc758 \uc561\uccb4 \uc0ac\uc774\uc5d0\uc11c \ub2e8\ub2e8\ud55c \uaecd\uc9c8\uc744 \ud615\uc131\ud558\uac8c \ud588\ub2e4.<\/p>\n

\uadf8\ub7ec\uc790 \uc791\uc740 \ubc29 \uc18d\uc5d0 \uc788\ub294 \uc0ac\ub78c\ub4e4\uc774 \ubcbd\uba74\uc73c\ub85c \ubc00\ub824\ub4e4 \ub4ef \uc0b0\ud654\ucca0 \ub098\ub178 \uc785\uc790\ub4e4\uc774 \ubc29\uc6b8 \ud45c\uba74\uc73c\ub85c \ubab0\ub824\ub4e4\uc5c8\ub2e4.
\n\uc790\uc11d\uc744 \ub9cc\ub4e4\uae30 \uc704\ud574 \uacfc\ud559\uc790\ub4e4\uc740 \uc774 \uc561\uccb4 \ubc29\uc6b8\uc5d0 \uc790\uae30 \ucf54\uc77c\uc744 \ubc30\uce58\ud588\ub2e4. \uadf8\ub7ec\uc790 \uc790\uae30 \ucf54\uc77c\uc774 \uc0b0\ud654\ucca0 \ub098\ub178 \uc785\uc790\ub97c \ub04c\uc5b4 \ub2f9\uacbc\uace0, \uc790\uae30 \ucf54\uc77c\uc744 \uc81c\uac70\ud588\uc744 \ub54c \u2018\ucda4\ucd94\ub294 \ubb3c\ubc29\uc6b8\u2019\ucc98\ub7fc \uc18c\uc6a9\ub3cc\uc774\ub97c \uc77c\uc73c\ucf30\ub2e4.<\/p>\n

\uc774\ub7f0 \ud604\uc0c1\uc740 \uc601\uad6c\uc801\uc778 \uc790\uc131\uc774 \ub9cc\ub4e4\uc5b4\uc9c0\ub294 \uacfc\uc815\uc774\uc5c8\ub2e4. \ub7ec\uc140 \uad50\uc218\ub294 \u201c\uc561\uccb4 \uc18d\uc5d0\uc11c \uc790\uc131\uc774 \ud615\uc131\ub418\ub294 \ubbff\uc744 \uc218 \uc5c6\ub294 \uc77c\uc774 \uc77c\uc5b4\ub0ac\ub2e4.\u201d\uace0 \ub9d0\ud588\ub2e4. \u201c\uc774\uc804\uc5d0 \uc601\uad6c \uc790\uc11d\uc740 \uace0\uccb4\uc5d0\uc11c\ub9cc \ub9cc\ub4e4\uc5b4\uc9c4\ub2e4\ub294 \uc774\ub860\uc774 \ubb34\ub108\uc9c0\uace0 \uc788\uc5c8\ub2e4.\u201d\uace0 \ub9d0\ud588\ub2e4.<\/p>\n

\uc774\ubc88 \uc5f0\uad6c\ub97c \ud1b5\ud574 \uc5f0\uad6c\ud300\uc740 \uc774\uc804\uc5d0 \uc54c\ub824\uc9c0\uc9c0 \uc54a\uc740 \uc0c8\ub85c\uc6b4 \uc0ac\uc2e4\ub4e4\uc744 \ubc1c\uacac\ud588\ub2e4. \uc561\uccb4 \ubc29\uc6b8 \ud45c\uba74\uc5d0 \ubab0\ub824 \uc788\ub294 10\uc5b5 \uac1c\uc758 \uc0b0\ud654\ucca0 \ub098\ub178\uc785\uc790\uc5d0 \uc790\uae30\uc7a5\uc744 \ub193\uc73c\uba74 \ub098\ub178 \uc785\uc790\ub4e4\uc774 \uc9c0\uad6c\uc5d0\uc11c\ucc98\ub7fc \ub0a8\u2027\ubd81\uadf9\uc744 \ud615\uc131\ud588\ub2e4. \uc774\ub294 \ud06c\uae30\uc5d0 \uad00\uacc4\uc5c6\uc774 \uc561\uccb4 \ubc29\uc6b8 \uc8fc\uc704\uc5d0 \ub2e8\ub2e8\ud55c \ud45c\uba74\uc744 \ub9cc\ub4e4 \uc218 \uc788\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud55c\ub2e4.<\/p>\n

\uc5f0\uad6c\uc9c4\uc740 \ub610 \uc774 \uc791\uc740 \uc561\uccb4 \ubc29\uc6b8\ub4e4\uc744 \ub354 \uc791\uc740 \ubc29\uc6b8\ub85c \ub098\ub204\uc5b4\ub3c4 \uc790\uae30\uc801 \uc131\uc9c8\uc774 \uadf8\ub300\ub85c \ubcf4\uc874\ub41c\ub2e4\ub294 \uc0ac\uc2e4\uc744 \ud655\uc778\ud588\ub2e4. \ub7ec\uc140 \uad50\uc218\ub294 \u201c\uc774\ub4e4 \uc561\uccb4 \ubc29\uc6b8\ub4e4\uc758 \ub180\ub77c\uc6b4 \ud2b9\uc131\uc740 \uc8fc\ubcc0 \ud658\uacbd\uc5d0 \uc801\uc751\ud558\uae30 \uc704\ud574 \ubaa8\uc591\uc744 \ubc14\uafbc\ub2e4\ub294 \uac83\u201d\uc774\ub77c\uace0 \ub9d0\ud588\ub2e4. \uadf8\ub294 \u201c\uad6c\ud615\uc5d0\uc11c \uc2e4\ub9b0\ub354 \ud615\uc73c\ub85c, \uc5b4\ub5a4 \uacbd\uc6b0\uc5d0\ub294 \ud32c\ucf00\uc774\ud06c, \ubb38\uc5b4 \ubaa8\uc591\uc73c\ub85c \ubaa8\uc2b5\uc744 \ubc14\uafbc\ub2e4.\u201d\uba70 \uc218\uc2dc\ub85c \ubaa8\uc591\uc744 \ubc14\uafc0 \uc218 \uc788\uc74c\uc744 \uac15\uc870\ud588\ub2e4.<\/p>\n

\uc5f0\uad6c\uc9c4\uc774 \uae30\ub300\ub97c \uac78\uace0 \uc788\ub294 \uac83\uc740 \uc554 \uce58\ub8cc \ub4f1\uc5d0 \uc0ac\uc6a9\ud558\uace0 \uc788\ub294 \ucd08\uc18c\ud615 \ub85c\ubd07\uc774\ub2e4. \uc774 \uc561\uccb4 \uc790\uc11d\uc744 \ud65c\uc6a9\ud560 \uacbd\uc6b0 \uc6c0\uc9c1\uc784\uc744 \ub354 \uc815\uad50\ud558\uac8c \ud574 \ud070 \ub3c4\uc6c0\uc744 \uc904 \uc218 \uc788\uc744 \uac83\uc73c\ub85c \uae30\ub300\ud588\ub2e4.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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 <\/p>\n","protected":false},"excerpt":{"rendered":"

    \uc790\uc11d\uc5d0 \ub300\ud55c A to Z : \ub0a9\uc791\ud55c \uc790\uc11d\uacfc \uc13c \uc790\uc11d   \uc5b4\ub9b4 \uc801 \uc790\uc11d\uc744 \uac00\uc9c0\uace0 \ub180\uc558\ub358 \uae30\uc5b5\uc740 \ub204\uad6c\uc5d0\uac8c\ub098 \uc788\ub2e4. \uc790\uc11d\uc744 \ub2e4\ub978 \uc790\uc11d\uc5d0 \uac00\uae4c\uc774(more…)<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[34,36,29],"tags":[],"class_list":["post-3289","post","type-post","status-publish","format-standard","hentry","category-lets-do-chemistry","category-lets-do-physics","category-lets-do-science"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t