{"id":98538,"date":"2017-08-31T14:00:11","date_gmt":"2017-08-31T06:00:11","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=98538"},"modified":"2017-08-28T20:28:51","modified_gmt":"2017-08-28T12:28:51","slug":"%e6%b8%85%e5%8d%8e%e5%a4%a7%e5%ad%a6%e7%89%a9%e7%90%86%e7%b3%bb%ef%bc%9a%e9%a6%96%e6%ac%a1%e5%ae%9e%e7%8e%b0%e7%ac%ac%e4%ba%8c%e7%b1%bb%e7%8b%84%e6%8b%89%e5%85%8b%e8%b4%b9%e7%b1%b3%e5%ad%90","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=98538","title":{"rendered":"\u6e05\u534e\u5927\u5b66\u7269\u7406\u7cfb\uff1a\u9996\u6b21\u5b9e\u73b0\u7b2c\u4e8c\u7c7b\u72c4\u62c9\u514b\u8d39\u7c73\u5b50"},"content":{"rendered":"<p><strong>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n<p>\u6700\u8fd1\uff0c\u6e05\u534e\u5927\u5b66\u7269\u7406\u7cfb\u5468\u6811\u4e91\u3001\u6bb5\u6587\u6656\u548c\u5434\u6768\u7b49\u7814\u7a76\u4eba\u5458\u9996\u6b21\u57281T\u5bf9\u79f0\u6027\u7684\u4e8c\u7ef4\u5c42\u72b6\u6750\u6599PtTe<sub>2<\/sub>\u4e2d\u89c2\u6d4b\u5230\u4e86\u7b2c\u4e8c\u7c7b\u72c4\u62c9\u514b\u8d39\u7c73\u5b50\u5b58\u5728\u7684\u76f4\u63a5\u5b9e\u9a8c\u8bc1\u636e\uff0c\u5e76\u8fdb\u4e00\u6b65\u53d1\u73b0\u5728\u6676\u4f53\u7ed3\u6784\u76f8\u540c\u7684PtSe<sub>2<\/sub>\u4e2d\u540c\u6837\u5b58\u5728\u7b2c\u4e8c\u7c7b\u72c4\u62c9\u514b\u8d39\u7c73\u5b50\u3002\u7814\u7a76\u6210\u679c\u4ee5\u201cLorentz-violating type-II Dirac fermions in transition metal dichalcogenide PtTe<sub>2<\/sub>\u201d\u4e3a\u9898\uff0c\u5728\u7ebf\u53d1\u8868\u5728Nature Communications\u4e0a\u3002\u6e05\u534e\u5927\u5b66\u7269\u7406\u7cfb\u535a\u58eb\u751f\u989c\u660e\u54f2\u3001\u9ec4\u534e\u537f\u3001\u5f20\u67ef\u6960\u4e3a\u6587\u7ae0\u7684\u5171\u540c\u7b2c\u4e00\u4f5c\u8005\uff0c\u7269\u7406\u7cfb\u5468\u6811\u4e91\u6559\u6388\u3001\u6bb5\u6587\u6656\u6559\u6388\u3001\u6e05\u534e-\u5bcc\u58eb\u5eb7\u7eb3\u7c73\u79d1\u6280\u4e2d\u5fc3\u7684\u5434\u626c\u535a\u58eb\u4e3a\u8be5\u6587\u7684\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff0c\u6e05\u534e\u5927\u5b66\u9ad8\u7b49\u7814\u7a76\u9662\u7684\u59da\u5b8f\u7814\u7a76\u5458\u4e5f\u4e3a\u8be5\u9879\u7814\u7a76\u63d0\u4f9b\u4e86\u7406\u8bba\u652f\u6301\u3002\u8be5\u7814\u7a76\u5f97\u5230\u56fd\u5bb6\u81ea\u7136\u79d1\u5b66\u57fa\u91d1\u59d4\u3001\u56fd\u5bb6\u79d1\u6280\u90e8\u3001\u6e05\u534e\u5927\u5b66\u81ea\u4e3b\u7814\u53d1\u9879\u76ee\u3001\u6e05\u534e-\u5bcc\u58eb\u5eb7\u7eb3\u7c73\u79d1\u6280\u4e2d\u5fc3\u3001\u672a\u6765\u82af\u7247\u6280\u672f\u9ad8\u7cbe\u5c16\u521b\u65b0\u4e2d\u5fc3\u7684\u7ecf\u8d39\u652f\u6301\u3002<\/p>\n<p><strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n<p><strong>\u56fe<\/strong><strong>1\u00a0<\/strong><strong>\u72c4\u62c9\u514b\u548c\u5916\u5c14\u534a\u91d1\u5c5e\u5206\u7c7b\u56fe<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-98539 size-full aligncenter\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/08\/2-1-3.jpg\" alt=\"\" width=\"600\" height=\"320\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/08\/2-1-3.jpg 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/08\/2-1-3-300x160.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u56fe<\/strong><strong>2 PtTe2<\/strong><strong>\u9762\u5185\u3001\u9762\u5916\u9ad8\u5bf9\u79f0\u65b9\u5411\u7684\u7535\u5b50\u8272\u6563\u5173\u7cfb<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-98540 size-full\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/08\/2-2-2.jpg\" alt=\"\" width=\"600\" height=\"243\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/08\/2-2-2.jpg 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2017\/08\/2-2-2-300x122.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>\u3010\u7814\u7a76\u5185\u5bb9\u3011<\/strong><\/p>\n<p>\u8fd1\u5e74\u6765\uff0c\u62d3\u6251\u534a\u91d1\u5c5e\u6750\u6599\u5438\u5f15\u4e86\u7814\u7a76\u4eba\u5458\u7684\u5e7f\u6cdb\u5173\u6ce8\u3002\u968f\u7740\u5bf9\u6750\u6599\u62d3\u6251\u5c5e\u6027\u7684\u8ba4\u8bc6\u7684\u8fdb\u4e00\u6b65\u6df1\u5165\uff0c\u5927\u91cf\u65b0\u5947\u91cf\u5b50\u6001\uff08\u4f8b\u5982\u72c4\u62c9\u514b\u8d39\u7c73\u5b50\u548c\u5916\u5c14\u8d39\u7c73\u5b50\uff09\u5728\u51dd\u805a\u6001\u6750\u6599\u4e2d\u5f97\u4ee5\u5b9e\u73b0\u3002\u7531\u4e8e\u51dd\u805a\u6001\u7269\u7406\u4e2d\u7684\u4f4e\u80fd\u51c6\u7c92\u5b50\u6fc0\u53d1\u4e0d\u53d7\u6d1b\u4f26\u5179\u4e0d\u53d8\u6027\u7684\u9650\u5236\uff0c\u56e0\u800c\u53ef\u4ee5\u671f\u671b\u5728\u91cf\u5b50\u62d3\u6251\u6750\u6599\u4e2d\u89c2\u6d4b\u5230\u7c92\u5b50\u7269\u7406\u5b66\u6807\u51c6\u6a21\u578b\u6240\u63cf\u8ff0\u7684\u57fa\u672c\u7c92\u5b50\u4e4b\u5916\u7684\u65b0\u578b\u51c6\u7c92\u5b50\u6fc0\u53d1\uff0c\u8fd9\u5176\u4e2d\u4e00\u4e2a\u5178\u578b\u7684\u4f8b\u5b50\u5c31\u662f\u7b2c\u4e8c\u7c7b\u7684\u72c4\u62c9\u514b\/\u5916\u5c14\u8d39\u7c73\u5b50\uff08type-II Dirac\/Weyl fermions\uff09\u3002\u7b2c\u4e8c\u7c7b\u72c4\u62c9\u514b\uff0f\u5916\u5c14\u8d39\u7c73\u5b50\u4e0e\u7b2c\u4e00\u7c7b\u7684\u533a\u522b\uff0c\u4e3b\u8981\u4f53\u73b0\u5728\u72c4\u62c9\u514b\u9525\u51fa\u73b0\u5728\u7535\u5b50\u6ce2\u5305\u548c\u7a7a\u7a74\u6ce2\u5305\u7684\u4ea4\u70b9\uff0c\u56e0\u6b64\u6cbf\u7740\u7279\u5b9a\u7684\u52a8\u91cf\u7a7a\u95f4\u53d1\u751f\u4e25\u91cd\u503e\u659c\uff08\u56fe1\u793a\u610f\u56fe\uff09\u3002\u7531\u4e8e\u72c4\u62c9\u514b\u8d39\u7c73\u5b50\u53ef\u4ee5\u770b\u4f5c\u4e00\u5bf9\u624b\u6027\u76f8\u53cd\u7684\u5916\u5c14\u8d39\u7c73\u5b50\uff0c\u56e0\u6b64\u7ee7\u5b9e\u9a8c\u4e0a\u6210\u529f\u89c2\u6d4b\u5230\u7b2c\u4e8c\u7c7b\u5916\u5c14\u8d39\u7c73\u5b50\u4e4b\u540e\uff08Nat. Phys. 12, 1105 (2016)\uff09\uff0c\u7814\u7a76\u4eba\u5458\u5bf9\u80fd\u5426\u5728\u5b9e\u9a8c\u4e0a\u5b9e\u73b0\u7b2c\u4e8c\u7c7b\u72c4\u62c9\u514b\u8d39\u7c73\u5b50\u4ea7\u751f\u4e86\u6d53\u539a\u7684\u5174\u8da3\u3002<\/p>\n<p>\u4e0e\u7b2c\u4e8c\u7c7b\u5916\u5c14\u534a\u91d1\u5c5e\u76f8\u6bd4\uff0c\u7b2c\u4e8c\u7c7b\u72c4\u62c9\u514b\u534a\u91d1\u5c5e\u5177\u5907\u66f4\u591a\u7684\u5bf9\u79f0\u6027\u3002PtTe<sub>2<\/sub>\u7531\u975e\u78c1\u6027\u5143\u7d20\u7ec4\u6210\uff0c\u5c5e\u4e8e\u4e2d\u5fc3\u5bf9\u79f0\u7684<em>P-3m1<\/em>\u7a7a\u95f4\u7fa4\uff0c\u56e0\u6b64\u540c\u65f6\u53d7\u5230\u65f6\u95f4\u53cd\u6f14\u5bf9\u79f0\u6027\u3001\u7a7a\u95f4\u53cd\u6f14\u5bf9\u79f0\u6027\u4ee5\u53caC<sub>3v<\/sub>\u6676\u683c\u5bf9\u79f0\u6027\u4fdd\u62a4\u4fdd\u62a4\u3002\u5b9e\u9a8c\u6240\u5fc5\u987b\u7684\u5927\u9762\u79ef\u3001\u9ad8\u8d28\u91cf\u7684PtTe<sub>2<\/sub>\u5355\u6676\u6837\u54c1\u901a\u8fc7\u81ea\u6eb6\u5242\u6cd5\u5728\u6e05\u534e\u5bcc\u58eb\u5eb7\u7eb3\u7c73\u79d1\u6280\u4e2d\u5fc3\u5236\u5907\u3002\u5468\u6811\u4e91\u7814\u7a76\u7ec4\u5229\u7528\u89d2\u5206\u8fa8\u5149\u7535\u5b50\u8c31\u5bf9PtTe<sub>2<\/sub>\u5355\u6676\u6837\u54c1\u7684\u80fd\u5e26\u5f00\u5c55\u4e86\u7cfb\u7edf\u6027\u7684\u7814\u7a76\u3002\u5b9e\u9a8c\u7ed3\u679c\u8868\u660e\uff0cPtTe<sub>2<\/sub>\u5728Gamma-A\u65b9\u5411\u4e0a\u5b58\u5728\u4e00\u5bf9\u6cbfkz\u65b9\u5411\u4e25\u91cd\u503e\u659c\u7684\u4e09\u7ef4\u72c4\u62c9\u514b\u9525\uff0c\u76f4\u63a5\u4ece\u5b9e\u9a8c\u4e0a\u8bc1\u5b9e\u7b2c\u4e8c\u7c7b\u72c4\u62c9\u514b\u8d39\u7c73\u5b50\u7684\u5b58\u5728\u3002\u540c\u65f6\u6bb5\u6587\u6656\u7814\u7a76\u7ec4\u7684\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\u4e5f\u4e3a\u7b2c\u4e8c\u7c7b\u72c4\u62c9\u514b\u8d39\u7c73\u5b50\u63d0\u4f9b\u4e86\u6709\u529b\u7684\u7406\u8bba\u652f\u6301\u3002\u7531\u4e8e\u7b2c\u4e8c\u7c7b\u72c4\u62c9\u514b\u534a\u91d1\u5c5e\u5904\u4e8e\u62d3\u6251\u76f8\u53d8\u7684\u4e34\u754c\u70b9\uff0c\u901a\u8fc7\u78c1\u6027\u63ba\u6742\u6216\u8005\u5916\u52a0\u5e94\u529b\u7834\u574f\u65f6\u95f4\u53cd\u6f14\u5bf9\u79f0\u6027\u6216\u8005\u7a7a\u95f4\u53cd\u6f14\u5bf9\u79f0\u6027\uff0c\u4e3a\u4ece\u5b9e\u9a8c\u4e0a\u5b9e\u73b0\u4ece\u7b2c\u4e8c\u7c7b\u72c4\u62c9\u514b\u534a\u91d1\u5c5e\u5230\u7b2c\u4e8c\u7c7b\u5916\u5c14\u534a\u91d1\u5c5e\u6216\u8005\u62d3\u6251\u6676\u4f53\u7edd\u7f18\u4f53\u7684\u8f6c\u53d8\u63d0\u4f9b\u4e86\u53ef\u80fd\u7684\u5b9e\u9a8c\u4f9d\u636e\u3002<\/p>\n<p>\u539f\u6587\u94fe\u63a5\uff1a<a href=\"http:\/\/www.phys.tsinghua.edu.cn\/publish\/phy\/5282\/2017\/20170822202317532383540\/20170822202317532383540_.html\" target=\"_blank\" rel=\"noopener\">http:\/\/www.phys.tsinghua.edu.cn\/publish\/phy\/5282\/2017\/20170822202317532383540\/20170822202317532383540_.html<\/a>\u3002<\/p>\n<p>\u6587\u732e\u94fe\u63a5\uff1a<a href=\"https:\/\/www.nature.com\/articles\/s41467-017-00280-6.pdf\">Lorentz-violating type-II Dirac fermions in transition metal dichalcogenide PtTe2<\/a>\uff08Nature Communications\uff0c2017\uff0cDOI\uff1a 10.1038\/s41467-017-00280-6\uff09<\/p>\n<p>\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u738b\u51b0\u7f16\u8f91\uff0c<a href=\"http:\/\/www.cailiaoniu.com\/25127.html\" target=\"_blank\" rel=\"noopener noreferrer\">\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n<p>\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a<a href=\"http:\/\/www.ceshigu.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u6d4b\u8bd5\u8c37<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u6210\u679c\u7b80\u4ecb\u3011 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