{"id":7268,"date":"2006-08-28T16:45:00","date_gmt":"2006-08-28T16:45:00","guid":{"rendered":"http:\/\/melotopia.net\/b\/?p=7268"},"modified":"2006-08-28T16:45:00","modified_gmt":"2006-08-28T16:45:00","slug":"%ec%8a%a4%ed%95%80%ea%b3%bc-cpt%eb%8c%80%ec%b9%ad%ec%84%b1%ec%97%90-%ea%b4%80%ed%95%9c-%ec%9d%b4%ec%95%bc%ea%b8%b0","status":"publish","type":"post","link":"http:\/\/melotopia.net\/b\/?p=7268","title":{"rendered":"\uc2a4\ud540\uacfc CPT\ub300\uce6d\uc131\uc5d0 \uad00\ud55c \uc774\uc57c\uae30"},"content":{"rendered":"
\n \uc2a4\ud540\uacfc CPT\ub300\uce6d\uc131\uc5d0 \uad00\ud55c \uc774\uc57c\uae30\ub294 \ubb3c\ub9ac\ud559\uacfc \ub300\ud559\uc6d0\uc5d0\uc11c \ud55c\ud559\uae30 \uc218\uc5c5 \ubd84\ub7c9\uc774\ub77c\ub294 \uc0ac\uc2e4\uc744 \uc5fc\ub450\ud574 \ub450\uace0\uc11c, \uc774 \ub2f5\uae00\uc744 \uc77d\uace0\ub098\uc11c \ubcc4\ub2e4\ub978 \uc774\ud574\uac00 \ub418\uc9c0 \uc54a\ub294\ub2e4\uace0 \uacb0\ucf54 \uc88c\uc808\ud560 \ud544\uc694\uac00 \uc5c6\ub2e4\ub294 \uc0ac\uc2e4\uc744 \uc54c\uc544\ub450\uba70 \uc774 \uae00\uc744 \uc77d\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n

\n \uc591\uc790\uc5ed\ud559\uc5d0 \uc758\ud558\uba74, \uc785\uc790\uc758 \ud30c\ub3d9\ud568\uc218\ub294 \uc801\ub2f9\ud55c \uacbd\uacc4\uc870\uac74\uc744 \uac00\uc9c8 \ub54c \uc591\uc790\ud654\ub418\uc5b4\uc57c\ub9cc \ud569\ub2c8\ub2e4. \uc591\uc790\ud654\ub77c\ub294 \ub73b\uc744 \uc815\ud655\ud788 \uc774\ud574\ud558\uae30\ub294 \uc5b4\ub835\uaca0\uc9c0\ub9cc, \uadf8\ub0e5 \uc801\ub2f9\ud55c \uc815\uc218\uac00 \uc788\uc73c\uba74 \ud568\uc218 \uc804\uccb4\ub97c \uc54c \uc218 \uc788\ub294 \uac83\uc774\ub77c\uace0 \ubcf4\uba74 \ub429\ub2c8\ub2e4. \uc989, \uac01\uac01\uc758 \uc815\uc218\uc5d0 \ud574\ub2f9\ud558\ub294 \ud568\uc218\uac00 \uc788\uc5b4\uc11c \uc785\uc790\uc5d0 \ub300\ud55c \uc131\uc9c8\uc744 \uc54c\uace0 \uc2f6\uc73c\uba74 \uc785\uc790\uac00 \uc5b4\ub5a4 \uc591\uc790 \uc218\ub97c \uac16\uace0 \uc788\ub294\uc9c0\ub9cc \uc54c\uc544\ub0b4\uba74 \ub41c\ub2e4\ub294 \uac81\ub2c8\ub2e4. \uc544\ubb34\ud2bc \uc911\uc694\ud55c\uac74 “\uc815\uc218\ub85c \ub531 \ub5a8\uc5b4\uc9c4\ub2e4”\ub294 \uac81\ub2c8\ub2e4. 1,2,3…\ub4f1\ub4f1\uc5d0 \ud574\ub2f9\ud558\ub294 \uac83\ub4e4\uc774 \ubaa8\ub450 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n \uc591\uc790\ud654\uac00 \uc774\ub8e8\uc5b4\uc9c4\ub2e4\ub294 \uc99d\uac70\ub294 \ub9ce\uc774 \uc788\ub294\ub370, \uadf8\uc911 \uac01\uc6b4\ub3d9\ub7c9 \uc591\uc790\ud654\uac00 \uac00\uc7a5 \uae30\ubcf8\uc801\uc774\uace0 \ub300\ud45c\uc801\uc778 \uc591\uc790\ud654 \uc870\uac74\uc785\ub2c8\ub2e4. \uac01\uc6b4\ub3d9\ub7c9\uc740 \ubb3c\ub860 \uc5bc\ub9c8\ub098 \ud68c\uc804\ud558\uace0 \uc788\ub290\ub0d0\uc5d0 \uad00\ud55c \uc774\uc57c\uae30\ub97c \ud574 \uc8fc\ub294 \uc22b\uc790\uc785\ub2c8\ub2e4. \uac01\uc6b4\ub3d9\ub7c9\uc774 \uc591\uc790\ud654 \ub418\uc5b4 \uc788\ub2e4\ub294 \uc598\uae30\ub294, \uc591\uc790\ud654\ub77c\ub294 \ub9d0\uc758 \uc758\ubbf8\uc5d0 \uc758\ud574\uc11c, \uac01\uc6b4\ub3d9\ub7c9\uc774 \uc815\ud574\uc9c4 \uac12\ub9cc\uc744 \uac00\uc9c8 \uc218 \uc788\ub2e4\ub294 \ub73b\uc785\ub2c8\ub2e4. \uc815\ud655\ud788\ub294, \uac01\uc6b4\ub3d9\ub7c9\uc740 \ud50c\ub791\ud06c \uc0c1\uc218\uc758 \uc815\uc218\ubc30\uc5d0 \ud574\ub2f9\ud558\ub294 \uac12\ub9cc\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4. \uc9c0\uae08 \uc598\uae30\ud558\uace0 \uc788\ub294 \uac01\uc6b4\ub3d9\ub7c9\uc740 \uc804\uc790\uac00 \ud575 \uc8fc\ubcc0\uc744 \ub3c8\ub2e4\uace0 \uc0dd\uac01\ud560\ub54c\uc758 \uac01\uc6b4\ub3d9\ub7c9\uc785\ub2c8\ub2e4. \uc2e4\uc81c\ub85c \uc804\uc790\uac00 \ud575 \uc8fc\ubcc0\uc744 \ub3cc\uace0 \uc788\ub294\uac74 \uc544\ub2c8\uc9c0\ub9cc, \uadf8\ub7fc\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \uac01\uc6b4\ub3d9\ub7c9\uc774\ub77c\ub294 \uac12\uc740 \uac00\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n Stern\uacfc Gerlach\uc758 \uc2e4\ud5d8\uc5d0 \uc758\ud574, \uc804\uc790\ub4e4\uc774 \uac19\uc740 \uc0c1\ud0dc\ub97c \uac16\uace0 \uc788\uc74c\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 2\uac1c\uc758 \uc11c\ub85c \ub2e4\ub978 \uad6c\ubcc4\ud560 \uc218 \uc788\ub294 \uac01\uc6b4\ub3d9\ub7c9\uc73c\ub85c \ub098\ub204\uc5b4 \uc9c4\ub2e4\ub294 \uc0ac\uc2e4\uc774 \ubc1c\uacac\ub41c \uc774\ud6c4, \uc0ac\ub78c\ub4e4\uc740 “\uc774\ub7f0 \ub9d0\ub3c4 \uc548\ub418\ub294 \uc77c\uc774 \uc77c\uc5b4\ub098\ub2e4\ub2c8, \uc591\uc790\uc5ed\ud559\uc774 \ud2c0\ub9b0\uac70 \uc544\ub0d0?”\ub77c\ub294 \uc758\uc2ec\uc744 \uac00\uc84c\uc9c0\ub9cc, \uc544\ubb34\ud2bc \uc774\ub7f0 \uacbd\uc6b0\uc5d0 \ubb3c\ub9ac\ud559\uc790\ub4e4\uc774 \ud754\ud788 \uc4f0\ub294 \ubc29\ubc95\uc740 \uc591\uc790\uc5ed\ud559\uc744 \uac08\uc544\uc5ce\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \uc0c8\ub85c\uc6b4 \uc22b\uc790\ub97c \ub3c4\uc785\ud558\ub294 \uac81\ub2c8\ub2e4. \ubc14\ub85c \uc774\uac83\uc774 “\uc2a4\ud540”\uc774\ub77c\ub294 \uac81\ub2c8\ub2e4.\n <\/p>\n

\n \uc0ac\uc2e4, \uc804\uc790\uac00 2\uac1c \uc774\uc0c1\uc778 \uacbd\uc6b0\uc758 \uc288\ub8b0\ub529\uac70 \ubc29\uc815\uc2dd\uc744 \ud480\uc5b4\ubcf4\uba74 \uc54c\uaca0\uc9c0\ub9cc(\uc2e4\uc81c\ub85c \ud478\ub294\uac74 \ubb34\uc9c4\uc7a5 \uc5b4\ub835\uc2b5\ub2c8\ub2e4) \ubaa8\ub4e0 \uc804\uc790\ub294 \uc804\ubd80 “\uc644\ubcbd\ud558\uac8c” \uac19\uc2b5\ub2c8\ub2e4. \uc774 \ub9d0\uc740, \uc6d0\uc790 \uc548\uc5d0 \uc788\ub294 \uc804\uc790\uc5d0 1\ubc88\ubd80\ud130 n\ubc88\uae4c\uc9c0 \ubaa8\ub450 \ubc88\ud638\ub97c \ubd99\uc5ec\ub193\uace0\uc11c, \uc544\ubb34\uac70\ub098 \ub450\uac1c\ub97c \uace8\ub77c\uc11c \ubc14\uafd4\ub3c4 \uc6d0\uc790\uac00 \uac00\uc9c4 \ud2b9\uc131\uc774 \uc804\ud600 \ubcc0\ud558\uc9c0 \uc54a\ub294\ub2e4\ub294 \uac81\ub2c8\ub2e4. \uc6d0\uc790\uc640 \uc804\uc790\uc758 \ud2b9\uc131\uc744 \uc124\uba85\ud558\ub294 \uac83\uc740 \uc804\ubd80 \ud30c\ub3d9\ud568\uc218\ub97c \uc774\uc6a9\ud574\uc11c \ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0, \uc804\uc790\ub97c \ubc14\uafd4\ub3c4 \ud2b9\uc131\uc774 \ubcc0\ud558\uc9c0 \uc54a\ub294\ub2e4\ub294 \uac83\uc740 \ud30c\ub3d9\ud568\uc218\uac00 \ubcc0\ud558\uc9c0 \uc54a\ub294\ub2e4\ub294 \uac83\uc744 \ub73b\ud569\ub2c8\ub2e4. (\uc774\uac83\uc744 Exchange symmetry\ub77c\uace0 \ubd80\ub985\ub2c8\ub2e4)
\n
\n \uadf8\ub7f0\ub370 \uc2e4\uc81c\ub85c \uc288\ub8b0\ub529\uac70 \ubc29\uc815\uc2dd\uc744 \ud480\uc5b4\ubcf4\uba74, \uadf8\ub0e5 \ud480\uac8c \ub418\uba74 \uc804\uc790\uc758 \uad50\ud658\uc5d0 \ub300\ud574\uc11c \ubd80\ud638\uac00 \ubc14\ub00c\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc989, \ud30c\ub3d9\ud568\uc218(1\ubc88,2\ubc88)\uc740 \ud30c\ub3d9\ud568\uc218(2\ubc88,1\ubc88)\uacfc \uc55e\uc5d0 \ubd99\uc5b4\uc788\ub294 \ubd80\ud638\uac00 \ubc18\ub300\ub85c \ubc14\ub00c\uac8c \ub41c\ub2e4\ub294 \uac81\ub2c8\ub2e4. \uc774\uac74 \uc2ec\uac01\ud55c \ubb38\uc81c\uc778\ub370, \ud30c\ub3d9\ud568\uc218\uc758 \ubd80\ud638\uac00 \ubc14\ub00c\uba74 \uc6d0\uc790\uc640 \uc804\uc790\ub4e4\uc758 \ud2b9\uc131\uc774 \uc644\uc804\ud788 \ub2ec\ub77c\uc9c0\uae30 \ub54c\ubb38\uc5d0 \ub17c\ub9ac\uac00 \ub9de\uc9c0 \uc54a\uac8c \ub429\ub2c8\ub2e4.\n <\/p>\n

\n \ub530\ub77c\uc11c, \uc804\uc790\uc758 \uad50\ud658\uc5d0 \ub300\ud574\uc11c \ubd80\ud638\ub97c \ub2e4\uc2dc \ubc14\uafd4\uc8fc\ub294 “\ubb34\uc5b8\uac00”\ub97c \ud30c\ub3d9\ud568\uc218\uc5d0 \uacf1\ud574\uc904 \ud544\uc694\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub807\uac8c \ub3c4\uc785\ub41c \uac83\uc774 \ub2e4\uc2dc “\uc2a4\ud540”\uc785\ub2c8\ub2e4.\n <\/p>\n

\n \uc0c1\ub300\ub860\uc774 \ub07c\uc5b4\ub4e4\uc9c0 \uc54a\uc740, \ube44 \uc0c1\ub300\ub860\uc801 \uc591\uc790\uc5ed\ud559\uc5d0\uc11c\ub294 \uc774\uc815\ub3c4\ub85c \uc598\uae30\uac00 \ub05d\ub098\uac8c \ub429\ub2c8\ub2e4. \uc0ac\uc2e4, \uc804\uc790\ub294 \uad50\ud658\uc5d0 \ub300\ud574\uc11c \ubd80\ud638\uac00 \ubc14\ub00c\uae30 \ub54c\ubb38\uc5d0 \uac19\uc740 \uc0c1\ud0dc\uc5d0 \uc804\uc790\uac00 2\uac1c \uc774\uc0c1 \ub4e4\uc5b4\uac08 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc989, \uc0c1\ud0dc \ud558\ub098\uc5d0 \ubc18\ub4dc\uc2dc \uc804\uc790\ub294 1\uac1c\ub9cc \ub4e4\uc5b4\uac00\uc57c \ud569\ub2c8\ub2e4. (\uc65c\uadf8\ub807\uac8c \ub420\uae4c\uc694??)\n <\/p>\n

\n \ud558\uc9c0\ub9cc \uc5ec\uae30\uc11c, \uad50\ud658\uc5d0 \ub300\ud574\uc11c \ubd80\ud638\uac00 \ubc14\ub00c\uc9c0 \uc54a\ub294 \uc785\uc790\uac00 \uc788\ub2e4\uba74 \uc5b4\ub5a8\uae4c\uc694?\n <\/p>\n

\n \uc774\ub7ec\ud55c \uc9c8\ubb38\uc5d0 \ub300\ud55c \ub2f5\uc774 \ubcf4\uc988&\uc544\uc778\uc288\ud0c0\uc778\uacfc \ud398\ub974\ubbf8&\ub514\ub77d\uc5d0 \uc758\ud574\uc11c \uc720\ub3c4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ubcf4\uc988\ub294 \uad50\ud658\uc5d0 \ub300\ud574\uc11c \ubd80\ud638\uac00 \ubc14\ub00c\uc9c0 \uc54a\ub294 \uc785\uc790\uac00 \uc788\ub2e4\uba74 \uadf8 \uc785\uc790\ub294 \ud55c \uc0c1\ud0dc\uc5d0 \uc5ec\ub7ec\uac1c\uac00 \ub4e4\uc5b4\uac00\ub354\ub77c\ub3c4 \ubb34\ubc29\ud558\ub2e4\ub294 \uac83\uc744 \uc54c\uc544\ub0c8\uace0, \uadf8\ub9ac\uace0 \uc628\ub3c4\uac00 \ucda9\ubd84\ud788 \ub0ae\uc544\uc9c0\uac8c \ub418\uba74 \ubaa8\ub4e0 \uc785\uc790\uac00 \ubc14\ub2e5 \uc0c1\ud0dc\ub85c \ud655 \ubab0\ub824\uac00\uac8c \ub41c\ub2e4\ub294 \uac78 \ubc1c\uacac\ud569\ub2c8\ub2e4. \uc774\uac83\uc774 \ubc14\ub85c \ubcf4\uc988-\uc544\uc778\uc288\ud0c0\uc778 \uc751\ucd95(BEC)\ud604\uc0c1\uc785\ub2c8\ub2e4. \ubb3c\ub860 \uc774\uac78\ub85c \ub178\ubca8\uc0c1\uc744 \ubc1b\uc740 \uc0ac\ub78c\uc774 \uc788\uc2b5\ub2c8\ub2e4. (\ub204\uad70\uc9c0\ub294 \uae30\uc5b5\uc774 \uc548\ub098\ub294\uad70\uc694…)\n <\/p>\n

\n \uc774\ub7f0\uc2dd\uc73c\ub85c \uad50\ud658\uc5d0 \ub300\ud574\uc11c \ubd80\ud638\uac00 \ubc14\ub00c\uc9c0 \uc54a\ub294 \uc785\uc790\ub97c \ubcf4\uc874(Boson) \uc785\uc790\ub77c\uace0 \ud569\ub2c8\ub2e4. \ubcf4\uc874 \uc785\uc790\ub4e4\uc740 \uadf8 \uac2f\uc218\uac00 \ubcf4\uc874(conserved) \ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n \ubc18\uba74\uc5d0, \ud398\ub974\ubbf8\uc640 \ub514\ub77d\uc740 \uad50\ud658\uc5d0 \ub300\ud574\uc11c \ubd80\ud638\uac00 \ubc14\ub00c\ub294 \uc785\uc790\uc5d0 \ub300\ud55c \ud1b5\uacc4\uc5ed\ud559\uc744 \ub9cc\ub4e4\uc5c8\ub294\ub370, \uc774\ub7f0 \uc785\uc790\ub4e4\uc744 \ud398\ub974\ubbf8\uc628(Fermion)\uc774\ub77c\uace0 \ubd80\ub985\ub2c8\ub2e4. \uc65c \ub514\ub77d\ucf58(Diracon)\uc774 \uc544\ub2cc\uc9c0\ub294 \uc800\ub3c4 \ubaa8\ub985\ub2c8\ub2e4.\n <\/p>\n

\n \uc544\ubb34\ud2bc, \ud398\ub974\ubbf8\uc628\ub4e4\uc740 \uac19\uc740 \uc0c1\ud0dc\uc5d0 \ub4e4\uc5b4\uac08 \uc218 \uc5c6\uae30 \ub54c\ubb38\uc5d0 \uc751\ucd95 \ud604\uc0c1\uac19\uc740\uac74 \uacb0\ucf54 \uc77c\uc5b4\ub0a0 \ub9ac\uac00 \uc5c6\uc8e0. \ud398\ub974\ubbf8\uc628\ub4e4\uc774 \uac19\uc740 \uc0c1\ud0dc\uc5d0 \ub4e4\uc5b4\uac08 \uc218 \uc5c6\ub2e4\ub294 \uc6d0\ub9ac\ub97c \ud30c\uc6b8\ub9ac\uc758 \ubc30\ud0c0\uc6d0\ub9ac(Exclusion principle)\uc774\ub77c\uace0 \ubd80\ub985\ub2c8\ub2e4.\n <\/p>\n

\n \uc2a4\ud540\uc5d0 \ub300\ud574 \uc5ec\ub7ec\uac00\uc9c0 \uc598\uae30\ub4e4\uc744 \ub298\uc5b4\ub193\uc558\ub294\ub370\uc694, \uc774\uc81c \uc2a4\ud540\uc758 \ubcf8\uc9c8\uc5d0 \ub300\ud55c \uc598\uae30\ub97c \ud560 \ucc28\ub840\uac00 \ub418\uc5c8\uad70\uc694. \uc2a4\ud540\uc758 \ubcf8\uc9c8\uc740 “\ud68c\uc804”\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uc5ec\ub7ec \uad50\uc591 \uacfc\ud559 \uc11c\uc801\uc5d0\uc11c \uc26c\uc6b4 \uc774\ud574\ub97c \ud558\uae30 \uc704\ud574\uc11c \uc2a4\ud540 1\/2\uc778 \uc785\uc790\ub4e4\uc744 \ub450\ubc14\ud034 \ud68c\uc804\ud574\uc57c \uc6d0\ub798\ub300\ub85c \ub3cc\uc544\uc624\ub294 \uac83\uc73c\ub85c \ubb18\uc0ac\ub97c \ud558\uace0 \uc788\ub294\ub370 \uc644\uc804\ud788 \uc798\ubabb\ub41c \uac81\ub2c8\ub2e4.\n <\/p>\n

\n \uc2a4\ud540\uc740 \uc815\ub9d0\ub85c \uac01\uc6b4\ub3d9\ub7c9\uc5d0 \ud574\ub2f9\ud558\ub294 \uc591\uc774\uae34 \ud569\ub2c8\ub2e4. \ub9c8\uce58 \uc2a4\ud540\uc744 \uac00\uc9c4 \uc785\uc790\uac00 \uc2e4\uc81c\ub85c \uc790\uc804\ud558\uace0 \uc788\ub2e4\ub294 \uc0dd\uac01\uc774 \ub4e4 \uc815\ub3c4\ub85c, “\uc9c4\uc9dc \uac01\uc6b4\ub3d9\ub7c9”\uc785\ub2c8\ub2e4. \ubb38\uc81c\ub294 \uadf8 \uc785\uc790\uac00 \uc815\ub9d0\ub85c \uc790\uc804\ud558\uace0 \uc788\ub2e4\ub294 \uc99d\uac70\ub294 \uc544\ubb34\uac83\ub3c4 \uc5c6\ub2e4\ub294 \uac70\uc8e0. \uc790\uc804\ud558\uace0 \uc788\ub2e4\uace0 \uc124\uba85\ud574\uc57c\ud560 \uc774\uc720\ub3c4 \uc5c6\uc2b5\ub2c8\ub2e4. \uadf8\ub0e5 \uac01\uc6b4\ub3d9\ub7c9\uc744 \uac16\uace0 \uc788\ub2e4\uace0 \ud558\uba74 \ubaa8\ub4e0 \uac83\uc774 \uc798 \uc124\uba85\ub418\uae30 \ub54c\ubb38\uc5d0 \uad73\uc774 \uadf8\ub807\uac8c \ub9d0\ud560 \uc774\uc720\uac00 \uc5c6\uc8e0. \uadf8\ub798\uc11c \uc2a4\ud540\uc740 \ub0b4\uc7ac\uc801 \uac01\uc6b4\ub3d9\ub7c9(Intrinsic spin angular momentum)\uc774\ub77c\uace0 \ubd80\ub985\ub2c8\ub2e4.\n <\/p>\n

\n \uac01\uc6b4\ub3d9\ub7c9\uc740 \uc544\ubb34\ud2bc “\ud68c\uc804 \ucd95”\uc774\ub77c\ub294 \uac83\uc744 \uc0dd\uac01\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 (\uc2a4\ud540\uc774 \uc2e4\uc81c \ud68c\uc804\uc774 \uc544\ub2c8\ub77c\uace0 \ud574\ub3c4 \ud68c\uc804\ucd95\uc5d0 \ud574\ub2f9\ud558\ub294 \uac83\uc740 \uc874\uc7ac\ud569\ub2c8\ub2e4) \uc5ec\ub7ec\uac00\uc9c0 \uc7ac\ubbf8\ub09c \uc77c\ub4e4\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.\n <\/p>\n

\n \uc591\uc790\uc5ed\ud559\uc744 \uc880 \ub354 \ud655\uc7a5\ud574\uc11c \uc0c1\ub300\ub860\uc801\uc778 \uc591\uc790\uc5ed\ud559\uc758 \uc138\uacc4\ub85c \ub4e4\uc5b4\uac00\uac8c \ub418\uba74 \uc2a4\ud540\uc774 \ub2e8\uc21c\ud788 \uc2a4\ud540\uc73c\ub85c \ub05d\ub098\ub294 \uac8c \uc544\ub2c8\ub77c \ud5ec\ub9ac\uc2dc\ud2f0(Helicity)\ub77c\uace0 \ubd80\ub974\ub294 \uc880 \ub354 \ubcf8\uc9c8\uc801\uc778 \uc591\uc744 \uc0dd\uac01\ud574\uc57c \ud569\ub2c8\ub2e4. \ud5ec\ub9ac\uc2dc\ud2f0\ub77c\ub294 \uac1c\ub150\uc740 \uc2a4\ud540\uc774 \uc774\ub3d9 \ubc29\ud5a5\uc5d0 \ub300\ud574\uc11c \uac19\uc740 \ubc29\ud5a5\uc778\uc9c0 \ubc18\ub300 \ubc29\ud5a5\uc778\uc9c0\ub97c \ub9d0\ud558\ub294 \uac12\uc785\ub2c8\ub2e4. \uc591\uc790\uc5ed\ud559\uc5d0\uc11c\uc758 \uc2a4\ud540\uc740 \ub9d0 \uadf8\ub300\ub85c “\uc591\uc790\ud654”\ub418\uc5b4 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc790\uae30 \ub9d8\ub300\ub85c \ubc29\ud5a5\uc744 \uac00\uc9c8 \uc218 \uc788\ub294\uac8c \uc544\ub2c8\ub77c \uc815\ud574\uc9c4 \uac12\ub9cc \uac00\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7f0\ub370 \uc815\ud574\uc9c4 \uac12\ub9cc \uac00\uc9c8 \uc218 \uc788\ub294\ub370, \uadf8\uac8c \uc815\ud574\uc838\uc788\uae30\ub9cc \ud558\uba74 \ub418\uace0 \uc2e4\uc81c\ub85c \uc5b4\ub5a4 \uac12\uc774\ub0d0\ud558\uace0\ub294 \uc544\ubb34 \uc0c1\uad00\uc774 \uc5c6\uae30 \ub54c\ubb38\uc5d0 \uc6b0\ub9ac \ub9d8\ub300\ub85c \uadf8 \uc815\ud574\uc9c4 \uac12\uc744 \uc798 \uc815\ud558\uba74 \ubb3c\ub9ac\ud559\uc774 \uad49\uc7a5\ud788 \ud3b8\ud574\uc9d1\ub2c8\ub2e4. (\ubb34\uc9c4\uc7a5 \uc774\uc0c1\ud55c \ub9d0\uc774\uc8e0? \uc815\ud574\uc838\uc788\ub2e4\uace0 \ud574\ub193\uace0\uc11c \uc6b0\ub9ac \ub9d8\ub300\ub85c \uc815\ud574\ub3c4 \uc0c1\uad00 \uc5c6\ub2e4\uace0 \ud558\ub2c8\uae4c -_-; \uc774\uac83\uc740 x=x\ub77c\ub294 \ud56d\ub4f1\uc2dd\uc5d0 \uc544\ubb34\uac70\ub098 \ub300\uc785\ud574\ub3c4 \uc0c1\uad00 \uc5c6\ub2e4\uace0 \ud558\ub294 \uac83\uacfc \ube44\uc2b7\ud569\ub2c8\ub2e4)\n <\/p>\n

\n \uc544\ubb34\ud2bc \uadf8\ub798\uc11c \uc801\ub2f9\ud788 \ub450 \ubc29\ud5a5\uc744 \uc815\ud574\uc8fc\uac8c \ub418\ub294\ub370, \uac00\uc7a5 \ud3b8\ud55c \ubc29\ud5a5\uc774 \uc785\uc790\uac00 \uc6c0\uc9c1\uc774\ub294 \ubc29\ud5a5\uacfc \uac19\uc740 \ubc29\ud5a5\ud558\uace0 \uc785\uc790\uac00 \uc6c0\uc9c1\uc774\ub294 \ubc29\ud5a5\uacfc \ubc18\ub300\ubc29\ud5a5\uc774 \ub418\uaca0\uc8e0. \uadf8\ub9ac\uace0 \uc774 \ubc29\ud5a5\uacfc \uc591 \uc190\uc744 \uc5c4\uc9c0\ub97c \ud3b4\uace0 \uc8fc\uba39\uc744 \uc954 \ubc29\ud5a5\uacfc \uc5f0\uad00\uc9c0\uc5b4\uc11c \uc67c\uc190\uc7a1\uc774\ub0d0 \uc624\ub978\uc190\uc7a1\uc774\ub0d0\ub97c \uacb0\uc815\ud558\uac8c \ub429\ub2c8\ub2e4. \ud765\ubbf8\ub86d\uac8c\ub3c4, \uc6b0\ub9ac\uac00 \ubcf4\uace0 \uc788\ub294 \ubaa8\ub4e0 \uc785\uc790\ub294 \uc804\ubd80 \uc67c\uc190\uc7a1\uc774\uc785\ub2c8\ub2e4. (\uc6b0\uc8fc\uac00 \uc88c\ud30c\ub2e4…\ubb50 \uc774\ub7f0\uc598\uae30\ub294 \uc808\ub300 \uc544\ub2d9\ub2c8\ub2e4)\n <\/p>\n

\n \uc774\uc81c, \ub4dc\ub514\uc5b4 C, P, T\ub300\uce6d\uc131 \uc598\uae30\uac00 \ub4f1\uc7a5\ud569\ub2c8\ub2e4. C\ub294 Charge Conjugation\uc774\uace0, \uc804\ud558 \uacf5\uc561\uc774\ub77c\uace0 \ubc88\uc5ed\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubcc4\uac74 \uc544\ub2c8\uace0, \ud30c\ub3d9\ud568\uc218\ub294 \uc6d0\ub798 \ubcf5\uc18c\uc218 \ud568\uc218\uac00 \ub420 \uc218 \uc788\ub294\ub370, \uc774 \ubcf5\uc18c\uc218 \ud568\uc218\uc758 \ucf24\ub808 \ubcf5\uc18c\uc218 \ud568\uc218\ub97c \uc0dd\uac01\ud558\ub294 \uac81\ub2c8\ub2e4. \uadf8\ub807\uac8c \ub418\uba74 \uc544\uc8fc \uc7ac\ubbf8\uc788\uac8c\ub3c4, \uc804\ud558\uc5d0 \ud574\ub2f9\ud558\ub294 \uac12\ub4e4\uc774 \ubd80\ud638\uac00 \ubc14\ub00c\uac8c \ub429\ub2c8\ub2e4. \uc804\uc790\uae30\uc801\uc778 \uc804\ud558\uac00 \uc6d0\ub798 \uc74c\uc218\ub77c\uba74 \uc591\uc218\ub85c, \uc6d0\ub798 \uc591\uc218\ub77c\uba74 \uc74c\uc218\ub85c \ubc14\ub00c\uac8c \ub418\uc8e0. \uc774\uac83\uc740 \uc804\uc790\uae30\uc801\uc778 \uc804\ud558\ubfd0\ub9cc\uc774 \uc544\ub2c8\ub77c \ub2e4\ub978 “\uc804\ud558\ub7c9”\uc5d0 \ud574\ub2f9\ud558\ub294 \uac83\ub4e4\uc740 \uc804\ubd80 \ubc14\ub00c\uac8c \ub429\ub2c8\ub2e4.\n <\/p>\n

\n P\ub294 Parity conversion\uc778\uac00, \uc544\ubb34\ud2bc \ud328\ub9ac\ud2f0 \ubc18\uc804\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4. \ub610\ub294 \uacf5\uac04 \ubc18\uc804\uc774\ub77c\uace0\ub3c4 \ud558\uc8e0. \uc774\uac83\uc740 \uac70\uc6b8 \ub300\uce6d\uc131\uc778\ub370, \uc2dc\uacf5\uac04\uc758 4\ucc28\uc6d0 \uc911\uc5d0\uc11c, \uc2dc\uac04\uc744 \uc81c\uc678\ud55c \uacf5\uac04\uc88c\ud45c\uc758 \ubd80\ud638\ub97c \ubaa8\ub450 \ubc14\uafd4\uc8fc\ub294 \uac81\ub2c8\ub2e4. \uc989 x\ub294 -x\ub85c \ubc14\uafb8\ub294 \ub4f1\uc758 \uc870\uc791\uc744 \ud574 \uc8fc\ub294 \uac70\uc8e0. \uc774\ub807\uac8c \ud558\uba74 \ub2e8\uc21c\ud788 \uacf5\uac04\uc774 \ubc14\ub00c\ub294\uac8c \uc544\ub2c8\ub77c \uc6b4\ub3d9 \ubc29\ud5a5\uc774 \ubc14\ub00c\uac8c \ub429\ub2c8\ub2e4.\n <\/p>\n

\n T\ub294 Time reversal\uc785\ub2c8\ub2e4. \uc2dc\uac04 \uc5ed\uc804\uc774\ub77c\uace0 \ud558\ub294\ub370, \uc2dc\uac04 \ubd80\ubd84\uc758 \ubd80\ud638\ub97c \ubc14\uafd4\uc90d\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \ubbf8\ub798\ub85c \uac00\ub358 \uc785\uc790\ub294 \uacfc\uac70\ub85c, \uacfc\uac70\ub85c \uac00\ub358 \uc785\uc790\ub294 \ubbf8\ub798\ub85c \uac00\uac8c \ub418\uaca0\uc8e0.\n <\/p>\n

\n \uc0ac\uc2e4, \ud30c\ub3d9\ud568\uc218\ub97c \uc798 \ubcf4\uba74 \uc774\ub7f0\uac83\ub4e4\uc744 \ubc14\uafbc\ub2e4\uace0\ud574\uc11c \ud30c\ub3d9\ud568\uc218\uac00 \ubcc4\ub85c \ub2ec\ub77c\uc9c0\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4. \uadf8\ub798\uc11c \ubb3c\ub9ac\ud559\uc790\ub4e4\uc740 \uc774 \ub300\uce6d\uc131\ub4e4\uc740 \uc644\ubcbd\ud558\ub2e4\uace0 \ubbff\uace0 \uc788\uc5c8\uc8e0. \ud558\uc9c0\ub9cc C\uc5d0 \ub300\ud574\uc11c \ub300\uce6d\uc131\uc774 \uae68\uc9c0\ub294 \uc77c\uc774 \ubc8c\uc5b4\uc84c\uc2b5\ub2c8\ub2e4. \uc989, \uc5b4\ub5a4 \uc785\uc790\uc640 \uadf8 \uc785\uc790\uc758 \ubc18\uc785\uc790\uac00 \ub098\ud0c0\ub0b4\ub294 \ud589\ub3d9 \uc591\uc0c1\uc774 \ub2ec\ub77c\uc9c0\ub294 \uac70\uc8e0. \uc774\uac74 \ubb3c\ub9ac\ud559\uacc4\uc5d0 \ucda9\uaca9\uc774\uc5c8\uc2b5\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 \ubb3c\ub9ac\ud559\uc790\ub4e4\uc740 \ud56d\uc0c1 \uc5b4\ub5a4 \ub300\uce6d\uc131\uc774 \uc798 \ub098\ud0c0\ub098\ub294 \uac83\ub9cc \ubd10 \uc654\uae30 \ub54c\ubb38\uc5d0 \uac00\uc7a5 \uc544\ub984\ub2e4\uc6b4 \uc6b0\uc8fc\uc758 \ub300\uce6d\uc131\uc774 \uae68\uc9c8\uc904\uc740 \uc0c1\uc0c1\ub3c4 \ubabb\ud588\uac70\ub4e0\uc694. \ud558\uc9c0\ub9cc \uace7, C\ub294 \ubcf4\uc874\uc774 \uc548\ub418\uc9c0\ub9cc C\uc640 P\ub97c \ub3d9\uc2dc\uc5d0 \uc791\uc6a9\ud558\uba74 \ubb3c\ub9ac\ud559\uc774 \ubcc4\ub85c \ub2ec\ub77c\uc9c0\uc9c0 \uc54a\uace0 \ubcf4\uc874\ub41c\ub2e4\ub294 \uac78 \ubc1c\uacac\ud588\uc2b5\ub2c8\ub2e4\ub9cc, CP\ub300\uce6d\uc131\ub3c4 \uace7 \uae68\uc9c0\uac8c \ub429\ub2c8\ub2e4. CP\ub300\uce6d\uc131\uc774 \uae68\uc9c0\ub294\uac74 \uc6b0\ub9ac \uc6b0\uc8fc\uc758 \uc5ed\uc0ac\uc5d0\uc11c \uc5c4\uccad\ub098\uac8c \uc911\uc694\ud55c \uc0ac\uc2e4\uc774\uae30 \ub54c\ubb38\uc5d0 \uc7a0\uc2dc \ud6c4\uc5d0 \uc124\uba85\ud558\uc8e0. \uc544\ubb34\ud2bc, \ubb3c\ub9ac\ud559\uc790\ub4e4\uc758 \ub9c8\uc9c0\ub9c9 \ubcf4\ub8e8\ub294 \uc138\uac00\uc9c0 \ub300\uce6d\uc131\uc744 \ubaa8\ub450 \ub9cc\uc871\ud558\ub294 CPT\ub300\uce6d\uc131\uc740 \uc644\ubcbd\ud558\ub2e4\uace0 \ubbff\uace0 \uc788\ub294 \uac74\ub370, \uc0ac\uc2e4 \uacfc\ud559\uc790\ub4e4\uc758 \uc0c1\uc0c1\ub825\uc774 \uc5ec\uae30\uc11c \ub05d\ub0a0\ub9ac\uac00 \uc5c6\uc8e0. CPT\ub300\uce6d\uc131\uc740 \uc644\ubcbd\ud558\ub2e4\uace0 \ub2e4\ub4e4 \ubbff\uace0\ub294 \uc788\uc9c0\ub9cc, \uae68\uc9c4\ub2e4\uba74 \uc5b4\ub5a8\uae4c? \ud558\ub294 \uad81\uae08\uc99d\uc774 \uc5c6\uc744\ub9ac\uac00 \uc5c6\uaca0\uc8e0. \uadf8\ub798\uc11c CPT\ub300\uce6d\uc131\uc774 \uae68\uc9c4\ub2e4\uace0 \uac00\uc815\ud558\uace0 \uc77c\uc5b4\ub098\ub294 \uc5ec\ub7ec\uac00\uc9c0 \uc77c\ub4e4\uc744 \ud0d0\uad6c\ud558\ub294 \uc774\ub860 \ubb3c\ub9ac\ud559\uc790\ub4e4\ub3c4 \ub9ce\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\uc911 \ub180\ub77c\uc6b4 \uacb0\ub860\uc740 CPT\ub300\uce6d\uc131\uc774 \uae68\uc9c0\ub294 \uac83\uc774 \ub85c\ub80c\uce20 \ubd88\ubcc0\uc131\uc744 \uae68\ub294 \uac83\uacfc \ub3d9\uce58\ub77c\ub294 \uc598\uae30\uc785\ub2c8\ub2e4. \ub85c\ub80c\uce20 \ubd88\ubcc0\uc131\uc740 \uc0c1\ub300\uc131 \uc774\ub860\uc5d0\uc11c \ub9d0\ud558\ub294 “\uc778\uacfc\uc728”\uc774\ub77c\ub294 \uac74\ub370, \uc774\uac8c \uae68\uc9c4\ub2e4\ub294 \uac74 \uace7 \ubbf8\ub798\uac00 \uacfc\uac70\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\ub2e4\ub294 \ub73b\uc774 \ub418\uae30 \ub54c\ubb38\uc5d0 \ubb3c\ub9ac\ud559\ubfd0\ub9cc \uc544\ub2c8\ub77c \uc778\ub958\uc758 \ubaa8\ub4e0 \ud559\ubb38\uacfc \ucca0\ud559\uc5d0 \uc5c4\uccad\ub09c \ud30c\uc7a5\uc744 \ubab0\uace0 \uc62c \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n \ubb3c\ub860 CPT\ub300\uce6d\uc131 \ubd95\uad34\ub294 \uc544\uc9c1 \uad00\uce21\ub418\uac70\ub098 \uc99d\uba85\ub418\uc9c0\ub294 \uc54a\uc558\uace0, \uc774\ub860\uc801 \uac00\uc124\uc5d0 \ubd88\uacfc\ud569\ub2c8\ub2e4. (\ubb3c\ub860 \uacc4\uc18d\ud574\uc11c \uce21\uc815\uc740 \ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4\ub9cc, \uadf8 \ud6a8\uacfc\ub294 0\uc5d0 \uc5c4\uccad \uac00\uae5d\ub2e4\uace0 \ud569\ub2c8\ub2e4)\n <\/p>\n

\n CP\ub300\uce6d\uc131\uc5d0 \uad00\ud55c \uc911\uc694\ud55c \uc774\uc57c\uae30\uac00 \ubb50\ub0d0\ud558\uba74, \ubc14\ub9ac\uc628 \uc0dd\uc131\uacfc \ub819\ud1a4 \uc0dd\uc131\uc5d0 \uad00\ud55c \uc774\uc57c\uae30\uc785\ub2c8\ub2e4.\n <\/p>\n

\n \uc6b0\uc8fc\uc5d0 \uc788\ub294 \ubaa8\ub4e0 \ubb3c\uc9c8\ub4e4(\ubcc4, \uc740\ud558, \uc9c0\uad6c, \uc0ac\ub78c \ub4f1\ub4f1)\uc740 \uc804\ubd80 \ud398\ub974\ubbf8\uc628\uc73c\ub85c \uc774\ub8e8\uc5b4\uc838 \uc788\uc2b5\ub2c8\ub2e4. \ud398\ub974\ubbf8\uc628\uc5d0\ub294 \ub450\uac00\uc9c0 \uc911\uc694\ud55c \ubd84\ub958\uac00 \uc788\ub294\ub370, \ud558\ub098\ub294 \ucffc\ud06c\uc774\uace0 \ub2e4\ub978 \ud558\ub098\ub294 \ub819\ud1a4\uc785\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \uadf8\uc911\uc5d0\uc11c \ucffc\ud06c\uac00 \ubaa8\uc5ec\uc11c \ub9cc\ub4e4\uc5b4\uc9c4 \uc785\uc790\ub97c \ubc14\ub9ac\uc628Baryon\uc774\ub77c\uace0 \ubd80\ub985\ub2c8\ub2e4. \uadf8\uc911 \ub450\uac1c\uac00 \ubaa8\uc778\uac74 \uc911\uac04\uc790Meson, \uc138\uac1c\uac00 \ubaa8\uc778\uac74 \uac15\uc785\uc790Hadron\uc774\ub77c\uace0 \ubd80\ub974\uc8e0. \uc544\ubb34\ud2bc, \uc6b0\ub9ac \uc6b0\uc8fc\uc5d0 \uc788\ub294 \ubaa8\ub4e0 \ubb3c\uc9c8\uc740 \ubc14\ub9ac\uc628\uacfc \ub819\ud1a4\uc73c\ub85c \uc774\ub8e8\uc800\uc5ec \uc788\ub2e4\uace0 \ubcf4\uba74 \ub429\ub2c8\ub2e4.\n <\/p>\n

\n \uadf8\ub7f0\ub370, \ubb38\uc81c\ub294, \uc5d0\ub108\uc9c0\ub85c\ubd80\ud130 \uc5b4\ub5a4 \uc785\uc790\uac00 \ub9cc\ub4e4\uc5b4\uc9c8 \ub54c \ubc18\ub4dc\uc2dc \uadf8 \uc785\uc790\uc758 \ubc18\uc785\uc790\ub3c4 \uac19\uc774 \uc0dd\uc131\ub41c\ub2e4\ub294 \uac81\ub2c8\ub2e4. \uadf8\ub807\ub2e4\uba74 \uc6b0\uc8fc\uac00 \ucc98\uc74c \ub9cc\ub4e4\uc5b4\uc9c0\uace0\uc11c \uc5bc\ub9c8 \ud6c4\uc5d0, \ub300\uccb4 \uc6b0\ub9ac\ub97c \uc774\ub8e8\uace0 \uc788\ub294 \ubc18\uc785\uc790\ub294 \uc5b4\ub514\uc11c \uc628\uac78\uae4c? \ud558\ub294 \uc9c8\ubb38\uc774 \uc0dd\uae30\uaca0\uc8e0. \uc5ec\uae30\uc11c \ub51c\ub808\ub9c8\uac00 \uc0dd\uae41\ub2c8\ub2e4. \uc785\uc790\uc640 \ubc18\uc785\uc790\ub294 \ud56d\uc0c1 \uadf8 \uc218\uac00 \uac19\uc544\uc57c \ud558\uace0, \uc598\ub4e4\uc740 \ub9cc\ub098\uae30\ub9cc \ud558\uba74 \ubaa8\ub450 \uc5d0\ub108\uc9c0\ub85c \uc804\ud658\ub418\uc5b4 \ube5b\uc774 \ub418\uae30 \ub54c\ubb38\uc5d0 \uc6b0\ub9ac\ub4e4\uc740 \uc874\uc7ac\ud560 \uc218 \uc5c6\ub294\ub370, \ub2e4\ub4e4 \uc54c\ub2e4\uc2dc\ud53c \uc6b0\ub9ac\ub4e4\uc740 \uc9c0\uae08 \ub2e4\ub4e4 \uc0b4\uc544\uc788\uc2b5\ub2c8\ub2e4. \uc989, \uc6b0\ub9ac\uc758 \uc874\uc7ac\uc758 \uc774\uc720\uac00 \uc5c6\ub294 \uac81\ub2c8\ub2e4. \ubc14\ub85c \uc774 \ubb38\uc81c\ub97c CP\ub300\uce6d\uc131\uc758 \ubd95\uad34\uac00 \ud574\uacb0\ud569\ub2c8\ub2e4. \uc6b0\ub9ac\uac00 \uc9c0\uae08 \uc874\uc7ac\ud558\uae30 \uc704\ud574\uc11c\ub294 \ubc18\ub4dc\uc2dc \uc6b0\uc8fc \ucd08\uae30\uc5d0 CP\ub300\uce6d\uc131\uc774 \uae68\uc838 \uc788\uc5c8\uc5b4\uc57c\ub9cc \ud55c\ub2e4\ub294 \uac70\uc8e0.\n <\/p>\n

\n \uadf8\ub9ac\uace0 \ubc14\ub9ac\uc628\uc744 \ub9cc\ub4e4\uc5b4\ub0b4\ub294 CP\ub300\uce6d\uc131\uc758 \ubd95\uad34\ub9cc\uc73c\ub85c\ub294 \uadf8 \ud6a8\uacfc\uac00 \uc791\uc544\uc11c \ud604\uc7ac \uc874\uc7ac\ud558\ub294 \ubc14\ub9ac\uc628\ub4e4\uc758 \uc591\uc744 \uc804\ubd80 \uc124\uba85\ud560 \uc218 \uc5c6\ub2e4\uace0 \ud558\uc5ec, \ub819\ud1a4\uc758 CP\ub300\uce6d\uc131 \ubd95\uad34\ub85c\ubd80\ud130 \ubc14\ub9ac\uc628\uc774 \uc0dd\uc131\ub418\uc5c8\ub2e4\uace0 \ud558\ub294 \uac00\uc124\uc774 \ub4f1\uc7a5\ud558\uae30 \uc2dc\uc791\ud569\ub2c8\ub2e4. (\uc774\ucbe4 \ub418\uba74 20\uc138\uae30 \ud6c4\ubc18\uc758 \ubb3c\ub9ac\ud559 \uc598\uae30\uac00 \ub429\ub2c8\ub2e4)\n <\/p>\n

\n \uc5ec\uae30\uae4c\uc9c0\uac00 \ub300\ub7b5\uc801\uc778 \uc598\uae30\uac00 \ub429\ub2c8\ub2e4. \uc4f0\uace0\ub098\ub2c8\uae4c, \uc5c4\uccad\ub098\uac8c \ub9ce\uc774 \uc694\uc57d\ud588\uad70\uc694.\n <\/p>\n

\n
\n
\n\"\uc2e0\uace0\"
\n<\/a>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\uc2a4\ud540\uacfc CPT\ub300\uce6d\uc131\uc5d0 \uad00\ud55c \uc774\uc57c\uae30\ub294 \ubb3c\ub9ac\ud559\uacfc \ub300\ud559\uc6d0\uc5d0\uc11c \ud55c\ud559\uae30 \uc218\uc5c5 \ubd84\ub7c9\uc774\ub77c\ub294 \uc0ac\uc2e4\uc744 \uc5fc\ub450\ud574 \ub450\uace0\uc11c, \uc774 \ub2f5\uae00\uc744 \uc77d\uace0\ub098\uc11c \ubcc4\ub2e4\ub978 \uc774\ud574\uac00 \ub418\uc9c0 \uc54a\ub294\ub2e4\uace0 \uacb0\ucf54 \uc88c\uc808\ud560 \ud544\uc694\uac00 \uc5c6\ub2e4\ub294 \uc0ac\uc2e4\uc744 \uc54c\uc544\ub450\uba70 \uc774 \uae00\uc744 \uc77d\uae30 \ubc14\ub78d\ub2c8\ub2e4. \uc591\uc790\uc5ed\ud559\uc5d0 \uc758\ud558\uba74, \uc785\uc790\uc758 \ud30c\ub3d9\ud568\uc218\ub294 \uc801\ub2f9\ud55c \uacbd\uacc4\uc870\uac74\uc744 \uac00\uc9c8 \ub54c \uc591\uc790\ud654\ub418\uc5b4\uc57c\ub9cc \ud569\ub2c8\ub2e4. \uc591\uc790\ud654\ub77c\ub294 \ub73b\uc744 \uc815\ud655\ud788 \uc774\ud574\ud558\uae30\ub294 \uc5b4\ub835\uaca0\uc9c0\ub9cc, \uadf8\ub0e5 \uc801\ub2f9\ud55c \uc815\uc218\uac00 \uc788\uc73c\uba74 \ud568\uc218 \uc804\uccb4\ub97c \uc54c \uc218 \uc788\ub294 \uac83\uc774\ub77c\uace0 \ubcf4\uba74 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-7268","post","type-post","status-publish","format-standard","hentry","category-academic"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8o6gA-1Te","jetpack-related-posts":[],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/7268","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7268"}],"version-history":[{"count":0,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/7268\/revisions"}],"wp:attachment":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7268"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}