{"id":10733,"date":"2015-02-02T17:21:00","date_gmt":"2015-02-02T17:21:00","guid":{"rendered":"http:\/\/melotopia.net\/b\/?p=10733"},"modified":"2015-02-02T17:21:00","modified_gmt":"2015-02-02T17:21:00","slug":"%ec%96%91%ec%9e%90-%ed%82%a4-%eb%b6%84%eb%b0%b0-%ec%95%8c%ea%b3%a0%eb%a6%ac%ec%a6%98","status":"publish","type":"post","link":"http:\/\/melotopia.net\/b\/?p=10733","title":{"rendered":"\uc591\uc790 \ud0a4 \ubd84\ubc30 \uc54c\uace0\ub9ac\uc998"},"content":{"rendered":"<div class=\"desc\">\n<div class=\"tt_article_useless_p_margin\">\n<p>\n          \uc591\uc790 \uc554\ud638\ud654 \uc54c\uace0\ub9ac\uc998\uc758 \ud575\uc2ec \ubd80\ubd84 \uc911 \ud558\ub098\ub294 \uc591\uc790 \ud0a4 \ubd84\ubc30 \uc54c\uace0\ub9ac\uc998\uc774\ub2e4. \uacf5\ubd80\ud55c \uac83\ub4e4\uc744 \uc694\uc57d\ud574\uc11c \uc801\uc5b4\ub454\ub2e4.\n         <\/p>\n<p>\n          \uc5bd\ud78c \uc0c1\ud0dc\ub97c \ub9cc\ub4e4 \uc218 \uc788\ub294 2\uc0c1\ud0dc \uc591\uc790\uacc4\ub294 \ubb50\ub4e0\uc9c0 \uc368\uba39\uc744 \uc218 \uc788\uc9c0\ub9cc, \uc77c\ub2e8\uc740 \uad11\uc790\uc758 \ud3b8\uad11\uc744 \uae30\uc900\uc73c\ub85c \ud55c\ub2e4. VH\ud3b8\uad11\uacfc DA\ud3b8\uad11, \uc774\ub807\uac8c \ub450\uac1c\ub97c \uce21\uc815 \uae30\uc800\ub85c \uc0ac\uc6a9\ud574 \ubcf4\uc790.<br \/>\n          \n<\/p>\n<p>\n\n<\/p>\n<p>\n          D=H+V\uc774\uace0 A=H-V\uc774\ub2e4.<br \/>\n          \n<\/p>\n<p>\n\n<\/p>\n<p>\n          BB84 \ud504\ub85c\ud1a0\ucf5c<br \/>\n          \n<\/p>\n<p>\n          \uc81c\uc77c \ucc98\uc74c \uc81c\uc548\ub41c \ud504\ub85c\ud1a0\ucf5c\uc774\ub2e4. \uc77c\ub2e8 \uc568\ub9ac\uc2a4\uac00 \ub2e8\uc77c\uad11\uc790\uad11\uc6d0\uc744 \uc900\ube44\ud55c\ub2e4. \uc598\ub294 \uc2e0\ud638\uac00 \ub4e4\uc5b4\uac00\uba74 \uad11\uc790\ub97c \ub531 1\uac1c\ub9cc \ub0b4\ubcf4\ub0b4\ub294 \uadf8\ub7f0 \uad11\uc6d0\uc774\ub2e4.<br \/>\n          \n<\/p>\n<p>\n          \uc568\ub9ac\uc2a4\ub294 \ubc25\uc5d0\uac8c V, H, D, A\uc911 \uc544\ubb34\uac70\ub098 \ud558\ub098\ub85c \ud3b8\uad11\uc744 \ub9cc\ub4e4\uc5b4\uc11c \ubcf4\ub0b8\ub2e4. \ubc25\uc740 \uc568\ub9ac\uc2a4\ub85c\ubd80\ud130 \ubc1b\uc740 \uc2e0\ud638\ub97c V, H, D, A\uc911 \uc544\ubb34\uac70\ub098 \ud558\ub098\ub85c \uce21\uc815\ud55c\ub2e4. \uac01\uc790 \uce21\uc815\ud55c \ubc29\ubc95\uc774\ub791 \uce21\uc815 \uacb0\uacfc\ub97c \uc798 \uae30\ub85d\ud574 \ub454\ub2e4. \uadf8\ub9ac\uace0 \uce21\uc815\uc774 \ub2e4 \ub05d\ub098\uba74 \uc568\ub9ac\uc2a4\uc640 \ubc25\uc774 \uac01\uc790 \uc5b4\ub5bb\uac8c \uce21\uc815\ud588\ub294\uc9c0 \uce21\uc815 \uc21c\uc11c\ub97c \uc11c\ub85c \uacf5\uc720\ud55c\ub2e4. \uce21\uc815 \uc21c\uc11c\ub97c \uacf5\uc720\ud558\ub294 \ud1b5\uc2e0\uc740 \ubcf4\uc548\uc774 \ub420 \ud544\uc694\uac00 \uc5c6\ub2e4. \uadf8\ub0e5 \ud655\uc2e4\ud558\uac8c \uc804\ub2ec\ub418\uae30\ub9cc \ud558\uba74 \ub41c\ub2e4. \ub204\uac00 \ubd10\ub3c4 \ub428.\n         <\/p>\n<p>\n          \uadf8\ub7fc \uc568\ub9ac\uc2a4\ub791 \ubc25\uc740 \ub611\uac19\uc740 \ubc29\ubc95\uc73c\ub85c \uce21\uc815\ud55c \uacbd\uc6b0\ub9cc \uace8\ub77c\uc11c \uc554\ud638\ud654 \ud0a4\ub85c \uc0ac\uc6a9\ud55c\ub2e4. \uadf8\ub9ac\uace0 \uc790\uae30\uac00 \ubcf4\ub0b4\uace0 \uc2f6\uc740 \uba54\uc2dc\uc9c0\ub97c \uc554\ud638\ud654 \ud574\uc11c \ud1b5\uc2e0\ud55c\ub2e4.<br \/>\n          \n<\/p>\n<p>\n          \uc568\ub9ac\uc2a4\uac00 V\ub098 H\ub85c \uce21\uc815\ud55c \uacbd\uc6b0 \ubc25\uc774 D\ub098 A\ub85c \ubc1b\uac8c \ub418\uba74 \uacb0\uacfc\uac00 \ub9d8\ub300\ub85c \ub098\uc624\uae30 \ub54c\ubb38\uc5d0, \uce21\uc815 \uacb0\uacfc \uc790\uccb4\ub97c \uaebc\ub0b4\uac00\uc9c0 \uc54a\ub294 \ud55c \uce21\uc815 \ubc29\ubc95\uc758 \uacf5\uc720\ub9cc\uc73c\ub85c\ub294 \uc554\ud638\ud654 \ud0a4\uac00 \uc0c8\uc5b4\ub098\uac00\uc9c0 \uc54a\ub294\ub2e4. \ud0a4\ub97c \ubbf8\ub9ac \ub9cc\ub4e4\uc5b4\uc11c \uacf5\uc720\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c, \ubb50\uac00 \ub098\uc62c\uc9c0\ub294 \ubaa8\ub974\uc9c0\ub9cc \uc77c\ub2e8 \uacb0\uacfc\ub97c \uc54c\uace0 \ub098\uc11c \uadf8 \uc911\uc5d0 \ub9de\ub294 \uac83\ub9cc \uace8\ub77c\ub0b4\uae30 \ub54c\ubb38\uc5d0 \uc548\uc804\ud558\ub2e4.\n         <\/p>\n<p>\n          \ubb38\uc81c\ub294 \uad11\uc790\uac00 \ud55c\ubc88\uc5d0 2\uac1c \uc774\uc0c1 \ub098\uc624\ub294 \uacbd\uc6b0\uac00 \uc790\uc8fc \uc788\uc73c\uba74, \uc911\uac04\uc5d0 \ub3c4\uccad\uc790\uac00 \uad11\uc790\ub97c \uace8\ub77c\ub0b4\uc11c \uc790\uae30\ub3c4 \uac19\uc740 \uce21\uc815\uc744 \ud560 \uc218 \uc788\ub2e4\ub294 \uac83\uc774\ub2e4. \uadf8\ub9ac\uace0 \uc804\uc1a1 \ucc44\ub110\uacfc \uac80\ucd9c\uae30\uac00 \uc644\ubcbd\ud558\uc9c0 \uc54a\uc73c\uba74(100%\uc804\ub2ec 100% \uac80\ucd9c\uc774 \uc548\ub418\ub294 \uacbd\uc6b0), \uc2e0\ud638\uac00 \uc548 \ub098\uc624\ub294 \uac83\uc774 \ub3c4\uccad\u008b\u009a\ubb38\uc778\uc9c0 \uac80\ucd9c\uae30 \ubb38\uc81c\uc778\uc9c0 \uc804\uc1a1 \ucc44\ub110 \ubb38\uc81c\uc778\uc9c0 \uc54c \uc218\uac00 \uc5c6\ub2e4.\n         <\/p>\n<p>\n<a class=\"tx-link\" href=\"http:\/\/www.research.ibm.com\/people\/b\/bennetc\/bennettc198469790513.pdf\" target=\"_blank\"><\/p>\n<p><a href=\"http:\/\/www.research.ibm.com\/people\/b\/bennetc\/bennettc198469790513.pdf\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">bennettc198469790513.pdf\uc5d0 \uc561\uc138\uc2a4\ud558\ub824\uba74 \ud074\ub9ad\ud558\uc138\uc694.<\/a><\/p>\n<p>          <\/a><br \/>\n\n<\/p>\n<p>\n\n<\/p>\n<p>\n          B92 \ud504\ub85c\ud1a0\ucf5c\n         <\/p>\n<p>\n          BB84 \ud504\ub85c\ud1a0\ucf5c\uc758 \ub450\uba85\uc758 B\uc911 \ud558\ub098\uac00 \uc880 \ub354 \uac1c\uc120\ub41c \uc81c\uc548\uc744 \ub0b4\ub193\uc558\ub2e4.\n         <\/p>\n<p>\n          \uc5ec\uae30\uc11c\ub294 H\ub791 V\ub9cc \uc0ac\uc6a9\ud55c\ub2e4. H\ub294 0\uc744 \ubc30\ub2f9\ud558\uace0 V\uc5d0\ub294 1\uc744 \ubc30\ub2f9\ud55c\ub2e4.\n         <\/p>\n<p>\n          \uc568\ub9ac\uc2a4\ub294 H\ub85c \ubcf4\ub0b4\uac70\ub098 V\ub85c \ubcf4\ub0b8\ub2e4. \ubc25\uc740 H\ub85c \ubc1b\uac70\ub098 V\ub85c \ubc1b\ub294\ub2e4. \uc568\ub9ac\uc2a4\uac00 H\ub85c \ubcf4\ub0c8\ub294\ub370 \ubc25\uc774 H\ub85c \ubc1b\uc73c\uba74 \uce21\uc815\uc774 \uc798 \ub418\uaca0\uc9c0. \uc568\ub9ac\uc2a4\uac00 H\ub85c \ubcf4\ub0c8\ub294\ub370 \ubc25\uc774 V\ub85c \ubc1b\uc73c\uba74 \uce21\uc815\uc774 \uc548\ub418\uaca0\uc9c0. \uc568\ub9ac\uc2a4\uac00 V\ub85c \ubcf4\ub0b8 \uacbd\uc6b0\ub3c4, \ubc25\uc774 V\ub85c \ubc1b\uc73c\uba74 \uce21\uc815\uc774 \uc798 \ub418\uace0 \ubc25\uc774 H\ub85c \ubc1b\uc73c\uba74 \uce21\uc815\uc774 \uc548\ub41c\ub2e4.<br \/>\n          \n<\/p>\n<p>\n          \uc774\uc81c, \ubc25\uc740 \uc568\ub9ac\uc2a4\ud55c\ud14c &#8220;\ub410\ub2e4&#8221;\ub791 &#8220;\uc548\ub410\ub2e4&#8221;\ub9cc \uc54c\ub824\uc8fc\uba74 \ub41c\ub2e4. \uadf8\ub7fc \uadf8\uac78 \ub3c4\uccad\ud574\ub3c4 \ubb50\uac00 \ub410\ub294\uc9c0\ub294 \uc54c \uc218 \uc5c6\uace0, \ub450 \uc0ac\ub78c\uc740 \ub410\ub2e4-\uc548\ub410\ub2e4 \uacb0\uacfc\ub791 \uc790\uae30\uac00 \uc2e4\ud5d8\ud55c V\/H \uc120\ud0dd \uacb0\uacfc\ub97c \uc54c\uace0 \uc788\uc73c\ubbc0\ub85c \uadf8\uc911\uc5d0 &#8220;\ub410\ub2e4&#8221;\ub9cc \uace8\ub77c\uc11c \uc554\ud638\ud654 \ud0a4\ub85c \uc4f0\uba74 \ub41c\ub2e4.<br \/>\n          \n<\/p>\n<p>\n          \uc5ec\uc804\ud788 \uad11\uc790\uac00 2\uac1c \uc774\uc0c1 \uc0dd\uc131\ub418\ub294 \uad11\uc6d0\uc744 \uc0ac\uc6a9\ud558\uba74 \ubb38\uc81c\uac00 \uc0dd\uae34\ub2e4.<br \/>\n          \n<\/p>\n<p>\n<a class=\"tx-link\" href=\"http:\/\/journals.aps.org\/prl\/pdf\/10.1103\/PhysRevLett.68.3121\" target=\"_blank\"><br \/>\n           http:\/\/journals.aps.org\/prl\/pdf\/10.1103\/PhysRevLett.68.3121<br \/>\n          <\/a><br \/>\n\n<\/p>\n<p>\n\n<\/p>\n<p>\n          Eckert \ud504\ub85c\ud1a0\ucf5c\n         <\/p>\n<p>\n          \uc911\uac04\uc5d0 \ucc30\ub9ac\uac00 \uc5bd\ud78c 2\uad11\uc790 \uad11\uc6d0\uc744 \uac16\uace0 \uc788\ub2e4. \ud558\ub098\ub294 \uc568\ub9ac\uc2a4\uc5d0\uac8c \ubcf4\ub0b4\uace0 \ub2e4\ub978 \ud558\ub098\ub294 \ubc25\uc5d0\uac8c \ubcf4\ub0b8\ub2e4. \uc568\ub9ac\uc2a4\ub294 V, H, D, A\uc911 \uc544\ubb34\uac70\ub098 \uace8\ub77c\uc11c \uce21\uc815\ud558\uace0, \ubc25\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\ub85c 4\uac1c\uc911 \ud558\ub098\ub97c \ub9d8\ub300\ub85c \uce21\uc815\ud55c\ub2e4. \uadf8\ub9ac\uace0 \uc11c\ub85c \uc5b4\ub5bb\uac8c \uce21\uc815\ud588\ub294\uc9c0\ub9cc \uacf5\uc720\ud558\uace0 \uacb0\uacfc\ub294 \uc54c\ub9ac\uc9c0 \uc54a\ub294\ub2e4. \uc591\uc790\uc5ed\ud559\uc5d0 \uc758\ud574, \uac19\uc740 \ubc29\ubc95\uc73c\ub85c \uce21\uc815\ud55c \uacbd\uc6b0 \uc11c\ub85c \uac19\uc740 \uacb0\uacfc\ub97c \uc5bb\ub294\ub2e4\ub294 \uac83\uc740 \uba85\ubc31\ud558\uae30 \ub54c\ubb38\uc5d0 \uc11c\ub85c \uac19\uc740 \ubc29\ubc95\uc73c\ub85c \uce21\uc815\ud55c \uacbd\uc6b0\ub9cc \uace8\ub77c\uc11c \uc554\ud638\ud654 \ud0a4\ub85c \uc0ac\uc6a9\ud558\uae30\ub85c \ud55c\ub2e4.<br \/>\n          \n<\/p>\n<p>\n          BB84\ub791 \uac19\uc740\ub370, \ud655\uc2e4\ud558\uac8c \uc5ec\uae30\uc11c\ub294 \uc568\ub9ac\uc2a4\uc640 \ubc25\uc740 \uac01\uac01 1\uac1c\uc758 \uad11\uc790\ub9cc\uc744 \ubc1b\uac8c \ub418\ubbc0\ub85c \ubcf4\ub2e4 \uc548\uc804\ud558\ub2e4. \uadf8\ub7ec\ub098 \uc5ec\uc804\ud788 \ud655\uc2e4\ud558\uac8c \uac80\ucd9c\ud560 \uc218 \uc788\ub294 \uac80\ucd9c\uae30\uac00 \ud544\uc694\ud558\ub2e4. \uac80\ucd9c\uae30\uac00 \uc2e0\ud638\ub97c \ub193\uce58\uac8c \ub418\uba74 \ud0a4 \uad50\ud658\uc728\uc774 \ub5a8\uc5b4\uc9c4\ub2e4.\n         <\/p>\n<p>\n<a class=\"tx-link\" href=\"http:\/\/prola.aps.org\/pdf\/PRL\/v67\/i6\/p661_1\" target=\"_blank\"><br \/>\n           http:\/\/prola.aps.org\/pdf\/PRL\/v67\/i6\/p661_1<br \/>\n          <\/a><br \/>\n\n<\/p>\n<p>\n\n<\/p>\n<p>\n          Device independent QKD\n         <\/p>\n<p>\n          Measurement Device Independent QKD\n         <\/p>\n<p>\n          Plug and Play Measurement Device Independent QKD\n         <\/p>\n<p>\n\n<\/p>\n<p>\n          \uc704\uc758 \uc138\uac00\uc9c0\ub294 \ub2e4\uc74c \uae30\ud68c\uc5d0&#8230;<br \/>\n          \n<\/p>\n<p>\n\n<\/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=3576\" 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<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\uc591\uc790 \uc554\ud638\ud654 \uc54c\uace0\ub9ac\uc998\uc758 \ud575\uc2ec \ubd80\ubd84 \uc911 \ud558\ub098\ub294 \uc591\uc790 \ud0a4 \ubd84\ubc30 \uc54c\uace0\ub9ac\uc998\uc774\ub2e4. \uacf5\ubd80\ud55c \uac83\ub4e4\uc744 \uc694\uc57d\ud574\uc11c \uc801\uc5b4\ub454\ub2e4. \uc5bd\ud78c \uc0c1\ud0dc\ub97c \ub9cc\ub4e4 \uc218 \uc788\ub294 2\uc0c1\ud0dc \uc591\uc790\uacc4\ub294 \ubb50\ub4e0\uc9c0 \uc368\uba39\uc744 \uc218 \uc788\uc9c0\ub9cc, \uc77c\ub2e8\uc740 \uad11\uc790\uc758 \ud3b8\uad11\uc744 \uae30\uc900\uc73c\ub85c \ud55c\ub2e4. VH\ud3b8\uad11\uacfc DA\ud3b8\uad11, \uc774\ub807\uac8c \ub450\uac1c\ub97c \uce21\uc815 \uae30\uc800\ub85c \uc0ac\uc6a9\ud574 \ubcf4\uc790. D=H+V\uc774\uace0 A=H-V\uc774\ub2e4. BB84 \ud504\ub85c\ud1a0\ucf5c \uc81c\uc77c \ucc98\uc74c \uc81c\uc548\ub41c \ud504\ub85c\ud1a0\ucf5c\uc774\ub2e4. \uc77c\ub2e8 \uc568\ub9ac\uc2a4\uac00 \ub2e8\uc77c\uad11\uc790\uad11\uc6d0\uc744 \uc900\ube44\ud55c\ub2e4. \uc598\ub294 \uc2e0\ud638\uac00 \ub4e4\uc5b4\uac00\uba74 \uad11\uc790\ub97c [&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-10733","post","type-post","status-publish","format-standard","hentry","category-academic"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8o6gA-2N7","jetpack-related-posts":[],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/10733","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=10733"}],"version-history":[{"count":0,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/10733\/revisions"}],"wp:attachment":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10733"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10733"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}