{"id":7346,"date":"2006-12-10T15:09:00","date_gmt":"2006-12-10T15:09:00","guid":{"rendered":"http:\/\/melotopia.net\/b\/?p=7346"},"modified":"2006-12-10T15:09:00","modified_gmt":"2006-12-10T15:09:00","slug":"quantum-field-theory-2","status":"publish","type":"post","link":"http:\/\/melotopia.net\/b\/?p=7346","title":{"rendered":"Quantum Field Theory #2"},"content":{"rendered":"<div class=\"desc\">\n        Harmonic oscillator\ub97c \ud655\uc7a5\ud55c\ub2e4\ub294 \uac83\uc740 \ubb58\uae4c?<br \/>\n        <br \/>\n        Harmonic oscillator \ubb38\uc81c\ub780 \uc6b4\ub3d9\uc5d0\ub108\uc9c0\uc5d0 potential \uc5d0\ub108\uc9c0 \ud56d\uc744 \uc704\uce58\uc758 \uc81c\uacf1\uc5d0 \ube44\ub840\ud558\ub294 \uac83\uc744 \ub123\uc5b4\uc11c \ubb38\uc81c\ub97c \uacc4\uc0b0\ud558\ub294 \uac83\uc744 \ub9d0\ud55c\ub2e4. \uadf8\ub9ac\uace0 \uc774 \ubb38\uc81c\ub97c \uc591\uc790\ud654\uc2dc\ud0a4\uba74 \uc704\uce58 \uc5f0\uc0b0\uc790\ub294 \uc0c1\ud0dc\ub97c \uc62c\ub9ac\ub294 \uc5f0\uc0b0\uc790\uc640 \ub0b4\ub9ac\ub294 \uc5f0\uc0b0\uc790\uc758 \ud569\uc73c\ub85c \ud45c\uc2dc\ub41c\ub2e4. \uadf8\ub9ac\uace0 \uc6b4\ub3d9\ub7c9 \uc5f0\uc0b0\uc790\ub294 \uadf8 \ucc28\ub85c \ud45c\uc2dc\ub41c\ub2e4. \ub610\ud55c \uacc4\ub97c \uae30\uc220\ud558\ub294 \ud574\ubc00\ud1a0\ub2c8\uc548\uc740 \ub450 \uc5f0\uc0b0\uc790\uc758 \uacf1\uc73c\ub85c \ud45c\uc2dc\ub41c\ub2e4. \uadf8\ub9ac\uace0 \uc774\uac83\uc744 \uc774\uc6a9\ud574\uc11c Harmonic oscillator\uc758 \ubaa8\ub4e0 \uc591\uc790\uc801\uc778 \uc0c1\ud0dc\ub97c \uc54c \uc218 \uc788\uac8c \ub41c\ub2e4.<br \/>\n        <br \/>\n        \uc774\uac83\uc744 Field\uc758 continuum limit\uc73c\ub85c \ud655\uc7a5\ud558\uac8c \ub418\uba74, \uc77c\ub2e8 \uc704\uce58\ub294 field strength\ub85c \ubcc0\ud558\uac8c \ub418\uace0, \uadf8\uc5d0 \ub300\ud55c \uc6b4\ub3d9\ub7c9\uc740 field gradient\ub85c \ubcc0\ud558\uac8c \ub41c\ub2e4. \ub530\ub77c\uc11c \ud574\ubc00\ud1a0\ub2c8\uc548\uc740 field strength\uc758 \uc81c\uacf1\uacfc field gradient\uc758 \uc81c\uacf1\uc744 \ub354\ud55c \uac83\uc73c\ub85c \ubcc0\ud55c\ub2e4. \uc5ec\uae30\uc5d0, \ub2e4\ub978 \uc0c1\ud638\uc791\uc6a9\uc774 \uc804\ud600 \uc5c6\ub2e4\uba74, \uc774 \ud574\ubc00\ud1a0\ub2c8\uc548\uc73c\ub85c\ubd80\ud130 \uc720\ub3c4\ub41c \uc624\uc77c\ub7ec-\ub77c\uadf8\ub791\uc9c0 \uc6b4\ub3d9 \ubc29\uc815\uc2dd\uc740 \uc815\ud655\ud788 Klein-Gordon \ubc29\uc815\uc2dd\uc774 \ub41c\ub2e4. KG\ubc29\uc815\uc2dd\uc740 \uc544\uc778\uc288\ud0c0\uc778\uc758 \uc9c8\ub7c9-\uc5d0\ub108\uc9c0-\uc6b4\ub3d9\ub7c9 \uacf5\uc2dd\uc744 \uc591\uc790\ud654\ud574\uc11c \uc5bb\uc740 \uacf5\uc2dd\uc774\uace0, \uc0c1\ub300\ub860\uc801\uc778 \uc591\uc790\uc5ed\ud559\uc758 \uccab \uae30\ucd08\uac00 \ub418\ub294 \ubc29\uc815\uc2dd\uc774\ub2e4. \ub530\ub77c\uc11c, \uc6b0\ub9ac\ub294 \ub9de\ub294 \uae38\uc744 \uac00\uace0 \uc788\ub2e4\uace0 \ubd10\ub3c4 \uc88b\uc740 \uac83\uc774\ub2e4.<br \/>\n        <br \/>\n        \uadf8\ub9ac\uace0 \uc774 \ubc29\uc815\uc2dd\uc740 \ud478\ub9ac\uc5d0 \ubcc0\ud658\uc744 \ud1b5\ud574\uc11c \uc190\uc27d\uac8c \ud574\uacb0\ud560 \uc218 \uc788\ub2e4. \uc5b4\ub5bb\uac8c \ud574\uacb0\ud558\ub294\uc9c0\ub294 Field theory\ucc45\uc744 \ucc3e\uc544\ubd24\uc73c\uba74 \uc88b\uaca0\ub2e4.<\/p>\n<p>        \uc774\uc81c, \uc5ec\uae30\uc5d0 \uc0c1\ud638\uc791\uc6a9\uc744 \ub123\uc5b4\ubcf4\uc790. \uc0c1\ud638\uc791\uc6a9\uc744 \ub123\uac8c \ub418\uba74, field strength\uc758 \uc81c\uacf1\ud56d\uc774 \uc544\ub2cc \ub2e4\ub978 \uc774\uc0c1\ud55c \ud56d\ub4e4\uc774 \ub354 \ub4e4\uc5b4\uac00\uac8c \ub41c\ub2e4\ub294 \uac83\uc744 \ub73b\ud55c\ub2e4. \uc5ec\uae30\uc11c \uc774\uc0c1\ud55c \ud56d\ub4e4\uc774 \ub420 \uc218 \uc788\ub294 \ud6c4\ubcf4\ub294 \ub85c\ub80c\uce20 \ubcc0\ud658\uc5d0 \ub300\ud574\uc11c \ubd88\ubcc0\uc778 \uac83\ub4e4\ub9cc \uac00\ub2a5\ud558\uac8c \ub41c\ub2e4. Field strength\uc758 4\uc81c\uacf1\ud56d\uc774 \uadf8 \ub300\ud45c\uc801\uc778 \uc608\uac00 \ub420 \uc218 \uc788\uaca0\ub2e4. \ubb38\uc81c\ub294, 4\uc81c\uacf1\ud56d\uc744 \ub123\uac8c \ub418\uba74 \uadf8\ub85c\ubd80\ud130 \uc720\ub3c4\ub418\ub294 \uc6b4\ub3d9\ubc29\uc815\uc2dd\uc5d0\ub294 field strength\uc758 3\ucc28\ud56d\uc774 \ubc18\ub4dc\uc2dc \ub4e4\uc5b4\uac00\uac8c \ub418\ub294\ub370, \uc774\ub807\uac8c \ub418\uba74 \ube44\uc120\ud615 \uc5f0\uc0b0\uc790\uac00 \ub4e4\uc5b4\uac04 \uc6b4\ub3d9\ubc29\uc815\uc2dd\uc774 \ub418\ubbc0\ub85c \ud478\ub9ac\uc5d0 \ubcc0\ud658\uc744 \ud1b5\ud574\uc11c \ud480 \uc218\uac00 \uc5c6\uac8c \ub418\uace0, \uc774 \ubb38\uc81c\ub294 \ub300\ub2e8\ud788 \uc5b4\ub824\uc6b4 \ubb38\uc81c\uac00 \ub41c\ub2e4. \ub530\ub77c\uc11c, \uc774 \ubb38\uc81c\ub97c \uc9c1\uc811 \uacf5\ub7b5\ud558\uc9c0 \ub9d0\uace0 \uba40\ub9ac \ub3cc\uc544\uac00\uc57c \ud560 \ud544\uc694\uac00 \uc0dd\uae30\uac8c \ub41c\ub2e4.<\/p>\n<p><\/p>\n<div style=\"width:100%;margin-top:30px;clear:both;height:30px\">\n<div style=\"width:31px;float:left;\">\n<a href=\"\/toolbar\/popup\/abuseReport\/?entryId=117\" onclick=\"window.open(this.href, 'tistoryThisBlogPopup', 'width=550, height=510, toolbar=no, menubar=no, status=no, scrollbars=no'); return false;\"><br \/>\n<img data-recalc-dims=\"1\" decoding=\"async\" alt=\"\uc2e0\uace0\" src=\"https:\/\/i0.wp.com\/t1.daumcdn.net\/tistory_admin\/static\/ico\/ico_spam_report.png\" style=\"border:0\"\/><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Harmonic oscillator\ub97c \ud655\uc7a5\ud55c\ub2e4\ub294 \uac83\uc740 \ubb58\uae4c? Harmonic oscillator \ubb38\uc81c\ub780 \uc6b4\ub3d9\uc5d0\ub108\uc9c0\uc5d0 potential \uc5d0\ub108\uc9c0 \ud56d\uc744 \uc704\uce58\uc758 \uc81c\uacf1\uc5d0 \ube44\ub840\ud558\ub294 \uac83\uc744 \ub123\uc5b4\uc11c \ubb38\uc81c\ub97c \uacc4\uc0b0\ud558\ub294 \uac83\uc744 \ub9d0\ud55c\ub2e4. \uadf8\ub9ac\uace0 \uc774 \ubb38\uc81c\ub97c \uc591\uc790\ud654\uc2dc\ud0a4\uba74 \uc704\uce58 \uc5f0\uc0b0\uc790\ub294 \uc0c1\ud0dc\ub97c \uc62c\ub9ac\ub294 \uc5f0\uc0b0\uc790\uc640 \ub0b4\ub9ac\ub294 \uc5f0\uc0b0\uc790\uc758 \ud569\uc73c\ub85c \ud45c\uc2dc\ub41c\ub2e4. \uadf8\ub9ac\uace0 \uc6b4\ub3d9\ub7c9 \uc5f0\uc0b0\uc790\ub294 \uadf8 \ucc28\ub85c \ud45c\uc2dc\ub41c\ub2e4. \ub610\ud55c \uacc4\ub97c \uae30\uc220\ud558\ub294 \ud574\ubc00\ud1a0\ub2c8\uc548\uc740 \ub450 \uc5f0\uc0b0\uc790\uc758 \uacf1\uc73c\ub85c \ud45c\uc2dc\ub41c\ub2e4. \uadf8\ub9ac\uace0 \uc774\uac83\uc744 \uc774\uc6a9\ud574\uc11c Harmonic oscillator\uc758 \ubaa8\ub4e0 \uc591\uc790\uc801\uc778 [&hellip;]<\/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-7346","post","type-post","status-publish","format-standard","hentry","category-academic"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8o6gA-1Uu","jetpack-related-posts":[],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/7346","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=7346"}],"version-history":[{"count":0,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/7346\/revisions"}],"wp:attachment":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7346"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7346"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}