{"id":99011,"date":"2017-09-01T06:30:31","date_gmt":"2017-08-31T22:30:31","guid":{"rendered":"\/\/m.iemloyee.com\/?p=99011"},"modified":"2017-08-30T08:34:46","modified_gmt":"2017-08-30T00:34:46","slug":"%e6%b8%85%e5%8d%8e%e5%a7%9a%e5%ae%8fnature%e5%ad%90%e5%88%8a%ef%bc%9a%e8%b4%b9%e7%b1%b3%e5%ad%90%e6%bf%80%e5%8f%91%e9%87%8f%e5%ad%90%e4%b8%b4%e7%95%8c%e7%82%b9","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=99011","title":{"rendered":"\u6e05\u534e\u59da\u5b8fNature\u5b50\u520a\uff1a\u8d39\u7c73\u5b50\u6fc0\u53d1\u91cf\u5b50\u4e34\u754c\u70b9"},"content":{"rendered":"<p><strong>\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n<p>\u5728\u7d27\u5bc6\u76f8\u5173\u7684\u591a\u4f53\u7cfb\u7edf\u4e2d\uff0c\u8861\u91cf\u91cf\u5b50\u76f8\u79fb\u8fc7\u7a0b\u4e2d\u91cf\u5b50\u4e8b\u4ef6\u7684\u884c\u4e3a\u662f\u73b0\u4ee3\u51dd\u805a\u6001\u7269\u7406\u5b66\u4e2d\u7684\u91cd\u70b9\u548c\u6311\u6218\u6027\u95ee\u9898\u4e4b\u4e00\u3002\u7531\u4e8eLandau\u548cGinzburg\uff0c\u901a\u8fc7\u9636\u6570\u53c2\u6570\u63d0\u4f9b\u4e86\u5bf9\u76f8\u53d8\u7684\u666e\u904d\u4e86\u89e3\uff0c\u5176\u975e\u96f6\u671f\u671b\u503c\u53ef\u4ee5\u8868\u5f81\u5177\u6709\u8f83\u4f4e\u5bf9\u79f0\u6027\u7684\u9636\u6bb5\u3002\u8db3\u591f\u63a5\u8fd1\u8fc7\u6e21\u70b9\uff0c\u5927\u8ddd\u79bb\u548c\u957f\u65f6\u95f4\u7684\u9636\u6b21\u53c2\u6570\u6ce2\u52a8\u4e3b\u5bfc\u4e86\u8fd9\u79cd\u76f8\u53d8\u9644\u8fd1\u7684\u7269\u7406\u5b66\uff0c\u5e76\u901a\u8fc7\u9636\u6570\u53c2\u6570\u7684\u8fde\u7eed\u573a\u7406\u8bba\u6765\u63cf\u8ff0\u3002\u7ed3\u5408\u5a01\u5c14\u900a\u7684\u91cd\u6574\u5316\u7ec4\uff08RG\uff09\u7406\u8bba\uff0c\u8fd9\u79cd\u590d\u6742\u7684Landau-Ginzburg-Wilson\uff08LGW\uff09\u76f8\u53d8\u6a21\u5f0f\u5728\u7406\u89e3\u76f8\u5173\u591a\u4f53\u7cfb\u7edf\u4e2d\u7684\u4e8c\u9636\u76f8\u53d8\u4e2d\u53d6\u5f97\u4e86\u5de8\u5927\u6210\u529f\uff0c\u5305\u62ec\u8d85\u5bfc\u4f53\uff0c\u5bc6\u5ea6\u6ce2\u5316\u5408\u7269\u548c\u7535\u5b50 &#8211; \u7279\u6d1b\u4f0a\u6db2\u6676\u3002Landau\u7acb\u65b9\u6807\u51c6\u8868\u660e\uff0c\u5f53Landau-Ginzburg\uff08LG\uff09\u81ea\u7531\u80fd\u7684\u5bf9\u79f0\u6027\u5141\u8bb8\u7acb\u65b9\u4f53\u79e9\u5e8f\u53c2\u6570\u5141\u8bb8\u65f6\uff0c\u8fde\u7eed\u76f8\u53d8\u4e5f\u88ab\u7981\u6b62\u3002\u4eba\u4eec\u81ea\u7136\u4f1a\u63d0\u51fa\u8fd9\u6837\u7684\u95ee\u9898\uff1a\u662f\u5426\u5b58\u5728\u6301\u7eed\u7684\u8fc7\u6e21\u8fdd\u53cdLG Land\u81ea\u7531\u80fd\u4e2d\u7acb\u65b9\u7684Landau\u6807\u51c6\uff1f<\/p>\n<p><strong>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n<p>\u8fd1\u65e5\uff0c<strong>\u6e05\u534e\u5927\u5b66<\/strong>\u7684<strong>\u59da\u5b8f\u7814\u7a76\u5458<\/strong><strong>\uff08\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba<\/strong>\u5728<strong>Nat. Commun.<\/strong><strong>\u4e0a<\/strong>\u53d1\u8868\u4e86\u9898\u4e3a\u201c<strong>Fermion-induced quantum critical points<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u7814\u7a76\u5de5\u4f5c\u8005\u901a\u8fc7\u91cd\u6574\u5316\u7fa4\u5206\u6790\uff0c\u53d1\u73b0\u4e8c\u7ef4\u91cf\u5b50\u76f8\u53d8\u53ef\u4ee5\u5728\u76f8\u4e92\u4f5c\u7528\u7684\u4e8c\u7ef4\u72c4\u62c9\u514b\u534a\u91d1\u5c5e\u7684\u4e00\u9636\u8dc3\u8fc1\u4e2d\u53d1\u751f\u3002\u7531\u4e8e\u8fd9\u79cd\u7c7b\u578b\u7684Landau\u7981\u6b62\u91cf\u5b50\u4e34\u754c\u70b9\u662f\u7531\u65e0\u80fd\u9699\u7684\u8d39\u7c73\u5b50\u5f15\u8d77\u7684\uff0c\u6545\u53ef\u79f0\u4e4b\u4e3a\u8d39\u7c73\u5b50\u6fc0\u53d1\u91cf\u5b50\u4e34\u754c\u70b9\u3002\u4f5c\u8005\u8fdb\u4e00\u6b65\u4ecb\u7ecd\u4e86\u4ee5\u72c4\u62c9\u514b\u534a\u91d1\u5c5e\u548cKekule\u4ef7\u952e\u56fa\u4f53\u4e4b\u95f4\u8f6c\u53d8\u4e3a\u7279\u5f81\u7684\u8702\u7a9d\u6676\u683c\u4e0a\u7684SU(N)\u8d39\u7c73\u5b50\u7684\u5fae\u89c2\u6a21\u578b\u3002\u5927\u89c4\u6a21\u7684Majorana\u91cf\u5b50\u8499\u7279\u5361\u7f57\u6a21\u62df\u4e3a\u5bf9\u4e8eN = 2,3,4,5,6\u7684\u8d39\u7c73\u5b50\u6fc0\u53d1\u91cf\u5b50\u4e34\u754c\u70b9\u63d0\u4f9b\u4e86\u4ee4\u4eba\u4fe1\u670d\u7684\u8bc1\u636e\uff0c\u4e0e\u91cd\u6574\u5316\u7fa4\u5206\u6790\u7684\u7ed3\u679c\u4e00\u81f4\u3002\u6700\u540e\uff0c\u4f5c\u8005\u8ba8\u8bba\u4e86\u5b9e\u73b0\u77f3\u58a8\u70ef\u548c\u7c7b\u77f3\u58a8\u70ef\u6750\u6599\u4e2d\u8d39\u7c73\u5b50\u6fc0\u53d1\u91cf\u5b50\u4e34\u754c\u70b9\u7684\u5b9e\u9a8c\u65b9\u6cd5\u3002<\/p>\n<p><strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n<p><strong>\u56fe\u4e00\uff1a\u8d39\u7c73\u5b50\u6fc0\u53d1\u91cf\u5b50\u4e34\u754c\u70b9\uff08<\/strong><strong>FIQCP<\/strong><strong>\uff09<\/strong><\/p>\n<p><strong><a href=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/08\/1-90.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-99012\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/08\/1-90.png\" alt=\"\" width=\"600\" height=\"320\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/08\/1-90.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2017\/08\/1-90-300x160.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/strong><\/p>\n<p>\u6839\u636eLandau\u7acb\u65b9\u6807\u51c6\uff0c\u8f6c\u53d8\u88ab\u5b9a\u4e3a\u4e00\u9636\uff0c\u56e0\u4e3a\u5728Landau-Ginzburg\u7406\u8bba\u4e2d\u5bf9\u79f0\u6027\u5141\u8bb8\u4e09\u9636\u6676\u5e8f\u53c2\u6570\u3002\u7136\u800c\uff0c\u5b83\u53ef\u4ee5\u901a\u8fc7\u8026\u5408\u5230\u65e0\u8d28\u91cf\u7684\u72c4\u62c9\u514b\u8d39\u7c73\u5b50\u800c\u88ab\u8bf1\u5bfc\u6210\u4e8c\u7ea7\u3002\u8be5FIQCP\u4e3a\u8fdd\u53cdLandau\u7acb\u65b9\u6807\u51c6\u7684\u8f6c\u6362\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5b9e\u4f8b\u3002<\/p>\n<p><strong>\u56fe\u4e8c\uff1a\u8026\u5408\u5e38\u6570\u7684\u91cd\u6574\u5316\u7fa4\u6d41<\/strong><\/p>\n<p><strong><a href=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/08\/2-57.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-99013\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/08\/2-57.png\" alt=\"\" width=\"600\" height=\"336\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/08\/2-57.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2017\/08\/2-57-300x168.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/strong><\/p>\n<p>\u4e34\u754c\u8868\u9762r = r<sub>c<\/sub>\u4e2d\u552f\u4e00\u7a33\u5b9a\u7684\u56fa\u5b9a\u70b9\u7531\u7ea2\u70b9\u8868\u793a\uff0c\u8fd9\u662f\u8868\u793aFIQCP\u7684Gross-Neveu-Yukawa\u5b9a\u70b9\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u8d39\u7c73\u5b50\u548c\u73bb\u8272\u5b50\u7684\u901f\u5ea6\u8d8b\u540c\uff0c\u56e0\u6b64\u5728FIQCP\u4e2d\u51fa\u73b0Lorentz\u5bf9\u79f0\u6027\u3002<\/p>\n<p><strong>\u56fe\u4e09\uff1a\u7531<\/strong><strong>QMC<\/strong><strong>\u6a21\u62df\u5f97\u5230\u7684\u91cf\u5b50\u76f8\u56fe<\/strong><\/p>\n<p><strong><a href=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/08\/3-50.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-99014\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/08\/3-50.png\" alt=\"\" width=\"600\" height=\"403\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/08\/3-50.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2017\/08\/3-50-300x202.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/strong><\/p>\n<p>\u901a\u8fc7\u5927\u89c4\u6a21\u7684Majorana\u91cf\u5b50\u8499\u7279\u5361\u7f57\uff08QMC\uff09\u6a21\u62df\uff0c\u83b7\u5f97N = 2,3,4,5,6\u8702\u7a9d\u72b6\u6676\u683c\u4e0aSU(N)\u8d39\u7c73\u5b50\u6a21\u578b\u7684\u91cf\u5b50\u76f8\u56fe\u3002<\/p>\n<p><strong>\u56fe\u56db\uff1a<\/strong><strong>Binder<\/strong><strong>\u6bd4\u7387\u548c\u6570\u636e\u6298\u53e0\u5206\u6790<\/strong><\/p>\n<p><strong><a href=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/08\/4-42.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-99015\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/08\/4-42.png\" alt=\"\" width=\"600\" height=\"296\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2017\/08\/4-42.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2017\/08\/4-42-300x148.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><\/strong><\/p>\n<p>(a) \u5bf9\u4e8eN = 3\uff0c\u5177\u6709\u4e0d\u540cJ \/ t\u548c\u4e0d\u540cL\u7684\u7c98\u5408\u5242\u6bd4\u7387\u3002<\/p>\n<p>(b) \u6839\u636e\u7f29\u653e\u5173\u7cfb\u7684\u6570\u636e\u6298\u53e0\u88ab\u7528\u4e8e\u786e\u5b9a\u03bd\u3002<\/p>\n<p><strong>\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n<p>\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u4f5c\u8005\u901a\u8fc7Majorana QMC\u6a21\u62df\u548c\u5927N RG\u5206\u6790\uff0c\u901a\u8fc7\u8026\u5408\u52302 + 1\u7ef4\u5ea6\u4e2d\u7684N\u4e2a\u65e0\u8d28\u91cf\u72c4\u62c9\u514b\u8d39\u7c73\u5b50\uff0c\u5c06\u4e00\u9636\u76f8\u53d8\u9a71\u52a8\u4e3a\u8fde\u7eed\u7684\u4e00\u9636\u76f8\u53d8\u3002\u8fd9\u662f\u7b2c\u4e00\u6b21\u8bc1\u660e2 + 1\u7ef4\u5ea6\u7684FIQCP\u4f5c\u4e3a\u91cf\u5b50\u76f8\u53d8\u8fc7\u7a0b\u8fdd\u53cd\u4e86Landau\u7acb\u65b9\u6807\u51c6\u3002\u7814\u7a76\u4e3a\u91cf\u5b50\u4e34\u754c\u70b9\u63d0\u4f9b\u4e86\u65b0\u7684\u89c1\u89e3\uff0c\u5e76\u4e3aLGW\u8303\u5f0f\u7684\u5916\u754c\u91cf\u5b50\u76f8\u8f6c\u53d8\u94fa\u5e73\u4e86\u9053\u8def\u3002<\/p>\n<p>\u6587\u732e\u94fe\u63a5\uff1a<a href=\"https:\/\/www.nature.com\/articles\/s41467-017-00167-6#author-information\" target=\"_blank\" rel=\"noopener\">Fermion-induced quantum critical points<\/a>\uff08Nat. Commun.2017\uff0cDOI: 10.1038\/s41467-017-00167-6\uff09<\/p>\n<p>\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u8ba1\u7b97\u6750\u6599\u7ec4daoke\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n<p>\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c<a href=\"\/\/m.iemloyee.com\/25127.html\" target=\"_blank\" rel=\"noopener\">\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n<p>\u4eea\u5668\u8bbe\u5907\u3001\u8bd5\u5242\u8017\u6750\u3001\u6750\u6599\u6d4b\u8bd5\u3001\u6570\u636e\u5206\u6790\uff0c\u4e0a<a href=\"http:\/\/www.ceshigu.com\/\" target=\"_blank\" rel=\"noopener\">\u6d4b\u8bd5\u8c37!<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u5f15\u8a00\u3011 \u5728\u7d27\u5bc6\u76f8\u5173\u7684\u591a\u4f53\u7cfb\u7edf\u4e2d\uff0c\u8861\u91cf\u91cf\u5b50\u76f8\u79fb\u8fc7\u7a0b\u4e2d\u91cf\u5b50\u4e8b\u4ef6\u7684\u884c\u4e3a\u662f\u73b0\u4ee3\u51dd\u805a\u6001\u7269\u7406\u5b66\u4e2d\u7684\u91cd\u70b9\u548c\u6311\u6218\u6027\u95ee\u9898\u4e4b\u4e00\u3002\u7531\u4e8eLandau\u548cGinzburg\uff0c\u901a\u8fc7\u9636\u6570\u53c2\u6570\u63d0&#8230;<\/p>\n","protected":false},"author":4051,"featured_media":99013,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-99011","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/99011"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/4051"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=99011"}],"version-history":[{"count":2,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/99011\/revisions"}],"predecessor-version":[{"id":99297,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/99011\/revisions\/99297"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/99013"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=99011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=99011"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=99011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}