{"id":47872,"date":"2016-10-26T06:30:34","date_gmt":"2016-10-25T22:30:34","guid":{"rendered":"\/\/m.iemloyee.com\/?p=47872"},"modified":"2016-10-24T22:14:22","modified_gmt":"2016-10-24T14:14:22","slug":"%e5%8c%97%e5%a4%a7nature%e5%ad%90%e5%88%8a%ef%bc%9a%e6%8e%a2%e6%b5%8b%e9%9a%90%e8%97%8f%e4%ba%8e%e6%89%8b%e6%80%a7%e5%bc%82%e5%b8%b8cd3as2%e4%b8%ad%e7%9a%84%e7%83%ad%e7%94%b5%e4%bf%a1%e5%8f%b7","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=47872","title":{"rendered":"\u5317\u5927Nature\u5b50\u520a\uff1a\u63a2\u6d4b\u9690\u85cf\u4e8e\u624b\u6027\u5f02\u5e38Cd3As2\u4e2d\u7684\u70ed\u7535\u4fe1\u53f7"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u8fd1\u5e74\u6765\uff0c\u5728\u7406\u8bba\u9884\u6d4bWeyl\u534a\u91d1\u5c5e\u4e0a\u7684\u5b9e\u9a8c\u8fdb\u5c55\u518d\u6b21\u6380\u8d77\u5bf9Weyl\u8d39\u7c73\u5b50\u7684\u7814\u7a76\u72c2\u6f6e\uff0c\u4f46Weyl\u8d39\u7c73\u5b50\u81f3\u4eca\u5728\u9ad8\u80fd\u5b9e\u9a8c\u4e2d\u5e76\u672a\u5f97\u5230\u53d1\u73b0\u3002Weyl\u534a\u91d1\u5c5e\u662f\u4e00\u79cd\u4e09\u7ef4\u7684\u91cf\u5b50\u6750\u6599\uff0c\u5176\u5bfc\u5e26\u548c\u4ef7\u5e26\u5728Brillouin\u533a\uff08\u5e03\u91cc\u6e0a\u533a\uff09\u4ee5\u5355\u72ec\u7684\u70b9\u76f8\u8fde\u63a5\uff0c\u56e0\u800c\u79f0\u4e3aWeyl\u7ed3\u70b9\uff08Weyl nodes\uff09\u3002\u7535\u5b50\u72b6\u6001\u5728\u8282\u70b9\u9644\u8fd1\u5448\u7ebf\u6027\u79bb\u6563\uff0c\u5e76\u8868\u73b0\u51fa\u624b\u6027\uff0c\u53ef\u7528Hamiltonian\u51fd\u6570\u8868\u793a\uff0cH=\u03c7\u03bdp\u2219\u03c3\uff08\u03bd-\u901f\u5ea6\uff0cp-\u52a8\u91cf\uff0c\u03c3-\u6ce1\u5229\u77e9\u9635\uff09\u3002\u03c7=\u00b11\u65f6\uff0c\u4e3a\u624b\u6027\u7535\u5b50\uff0c\u4e0eWeyl\u8d39\u7c73\u5b50\u7684\u6700\u7279\u6b8a\u7684\u4e00\u4e2d\u6027\u8d28\u2014\u624b\u6027\u5f02\u5e38\u76f8\u8054\u7cfb\u3002<\/p>\n \u4e3a\u4e86\u89c2\u5bdf\u8fd9\u4e24\u79cd\u76f8\u5173\u6548\u5e94\uff0c\u83b7\u77e5\u5176\u7279\u70b9\uff0c\u4f17\u591a\u79d1\u5b66\u5bb6\u90fd\u4ed8\u51fa\u4e86\u52aa\u529b\u3002\u76ee\u524d\uff0c\u5bf9\u4e8e\u624b\u6027\u5f02\u5e38\uff0c\u6240\u77e5\u7684\u4fbf\u662f\u7eb5\u5411\u7684\u8d1f\u78c1\u963b\u6548\u5e94\uff0c\u8fd9\u5728\u5f88\u591a\u6750\u6599\u4e2d\u901a\u8fc7\u5b9e\u9a8c\u5f97\u4ee5\u8bc1\u5b9e\u3002\u4f46\u56e0\u7531\u5f02\u5e38\u624b\u6027\u5f15\u8d77\uff0c\u5728Weyl\u8d39\u7c73\u5b50\u4e2d\u9884\u6d4b\u7684\u5176\u4ed6\u4e00\u7cfb\u5217\u7279\u6027\uff0c\u5982\u70ed\u7535\u6548\u5e94\u7b49\uff0c\u8fd8\u5f88\u5c11\u901a\u8fc7\u5b9e\u9a8c\u5f97\u5230\u53d1\u73b0\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u5317\u4eac\u5927\u5b66\u7684\u5ed6\u5fd7\u654f\u548c\u5434\u5b5d\u677e\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005<\/strong>\uff09\u5728Nature Communications<\/strong>\u4e0a\u53d1\u5e03\u6700\u65b0\u7814\u7a76\u6210\u679c\uff0c\u63d0\u51fa\u78c1\u573a\u4f5c\u7528\u4e0b\uff0c\u5728Cd3<\/sub>As2<\/sub> Weyl\u8d39\u7c73\u5b50\u7684\u624b\u6027\u5f02\u5e38\u7279\u6027\u4e2d\u68c0\u6d4b\u51fa\u70ed\u7535\u4fe1\u53f7\u3002\u5f53\u78c1\u573a\u5e73\u884c\u4e8e\u6e29\u5ea6\u68af\u5ea6\u65b9\u5411\u65f6\uff0c\u89c2\u6d4b\u51fa\u5bf9\u70ed\u7535\u52bf\u7684\u5f3a\u4e8c\u6b21\u6291\u5236\u3002\u4e8c\u6b21\u7cfb\u6570\u8fd1\u4e8e\u4e8c\u500d\u7684\u7535\u5bfc\u7387\u3002\u800c\u8fd9\u4e9b\u6709\u8da3\u7684\u5b9e\u9a8c\u53d1\u73b0\uff0c\u6839\u636eWeyl\u8d39\u7c73\u5b50\u7684\u624b\u6027\u5f02\u5e38\u7684\u7279\u70b9\u4fbf\u90fd\u53ef\u5f97\u5230\u7406\u89e3\u3002\u5bf9\u4e8eWeyl\u8d39\u7c73\u5b50\u5f02\u5e38\u70ed\u7535\u6027\u7684\u5b9e\u9a8c\u53d1\u73b0\uff0c\u4e5f\u6709\u52a9\u4e8e\u5bf9\u624b\u6027\u5f02\u5e38\u8fdb\u884c\u66f4\u6df1\u7684\u4e86\u89e3\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe\u4e00\u3001\u6e29\u5ea6\u4e0e\u03c1\u548cSxx<\/sub>\u7684\u76f8\u4e92\u5173\u7cfb<\/strong><\/p>\n (a) \u03c1-T\u56fe\uff0c\u5185\u5d4c\u56fe\u4e3a\u8bbe\u5907\u7684\u5149\u5b66\u663e\u5fae\u955c\u56fe\uff0c\u6807\u5c3a\u4e3a20 \u03bcm\u3002<\/p>\n (b) Sxx<\/sub>-T\u56fe\uff0c\uff08Sxx<\/sub>-\u70ed\u80fd\/\u70ed\u7535\u52bf\uff09\u3002<\/p>\n \u56fe\u4e8c\u3001\u5782\u76f4\u78c1\u573a\u4e2d\uff0c\u8bbe\u5907\u7684\u7535\u963b\u7387\u548c\u70ed\u7535\u6548\u5e94<\/strong><\/p>\n (a) \u4e0d\u540c\u6e29\u5ea6\u4e0b\u7684\u6b63\u5de8\u78c1\u7535\u963b \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0(b) Sxx<\/sub>-B\uff0c\uff08B-\u78c1\u573a\uff09<\/p>\n (c) \u03c3xx<\/sub>-B2\uff0c\uff08\u03c3xx<\/sub>-\u7535\u5bfc\u7387\uff09 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0(d) Sxx<\/sub>-B2<\/p>\n \u56fe\u56db\u3001\u7528\u65b9\u7a0b\u62df\u5408\u70ed\u7535\u52bfSxx<\/sub><\/strong><\/p>\n \u4e0d\u540c\u6e29\u5ea6\u4e0b\u83b7\u5f97Sxx<\/sub>-B\u56fe\uff0c\u8fdb\u884c\u62df\u5408\uff0c\u70b9\u5212\u7ebf\u4e3a\u62df\u5408\u66f2\u7ebf\u3002\u7ea2\u7ebf\u3001\u84dd\u7ebf\u3001\u7eff\u7ebf\u5206\u522b\u5728T=10\uff0c25\uff0c40K\u4e0b\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u6b64\u6b21\u7814\u7a76\u4e3b\u8981\u9488\u5bf9\u4e8eCd3<\/sub>As2<\/sub>\u5fae\u7247\u7684\u4f4e\u6e29\u70ed\u7535\u6027\u5c55\u5f00\u3002\u65bd\u52a0\u4e0d\u540c\u65b9\u5411\u7684\u78c1\u573a\uff0c\u5728\u6750\u6599\u4e2d\u4f1a\u53d1\u73b0\u4e0d\u4e00\u6837\u7684\u70ed\u7535\u52bf\u589e\u957f\u8d8b\u52bf\u3002\u78c1\u573a\u5e73\u884c\u4e8e\u6e29\u5ea6\u68af\u5ea6\uff0c\u70ed\u7535\u52bf\u8868\u73b0\u51fa\u5f02\u5e38\uff0c\u4f1a\u968f\u7740\u78c1\u573a\u589e\u52a0\u800c\u964d\u4f4e\u3002\u5229\u7528Mott\u5173\u7cfb\uff0c\u8868\u660e\u6240\u89c2\u6d4b\u5230\u7684Weyl\u8d39\u7c73\u5b50\u5f02\u5e38\u70ed\u7535\u52bf\u53ef\u7528\u624b\u6027\u5f02\u5e38\u5f97\u5230\u5f88\u597d\u7684\u89e3\u91ca\u3002\u5b9e\u9a8c\u7ed3\u679c\u4e5f\u8bc1\u5b9e\u70ed\u7535\u6027\u53ef\u4f5c\u4e3a\u7814\u7a76Weyl\u8d39\u7c73\u5b50\u7684\u4e00\u4e2a\u91cd\u8981\u624b\u6bb5\uff0c\u540c\u6837\u4e5f\u53ef\u7528\u4e8e\u7814\u7a76\u5176\u4ed6\u62d3\u6251\u6750\u6599\u4e2d\u3002<\/p>\n \u6587\u732e\u94fe\u63a5<\/strong>\uff1aThermoelectric signature of the chiral anomaly in Cd3<\/sub>As2<\/sub><\/a>\uff08Nature Communications\uff0c2016\uff0cDOI\uff1a10.1038\/ncomms13013\uff09<\/p>\n \u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7535\u5b50\u7535\u5de5\u5b66\u672f\u7ec4\u5927\u9ed1\u5929\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n \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\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n \u6750\u6599\u4eba\u7f51\u5c0a\u91cd\u6240\u6709\u8fdb\u884c\u77e5\u8bc6\u4f20\u64ad\u7684\u5a92\u4f53\uff0c\u8f6c\u8f7d\u8bf7\u8054\u7cfbtougao@cailiaoren.com\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" \u3010\u5f15\u8a00\u3011 \u8fd1\u5e74\u6765\uff0c\u5728\u7406\u8bba\u9884\u6d4bWeyl\u534a\u91d1\u5c5e\u4e0a\u7684\u5b9e\u9a8c\u8fdb\u5c55\u518d\u6b21\u6380\u8d77\u5bf9Weyl\u8d39\u7c73\u5b50\u7684\u7814\u7a76\u72c2\u6f6e\uff0c\u4f46Weyl\u8d39\u7c73\u5b50\u81f3\u4eca\u5728\u9ad8\u80fd\u5b9e\u9a8c\u4e2d\u5e76\u672a\u5f97\u5230\u53d1\u73b0\u3002Weyl\u534a\u91d1\u5c5e\u662f\u4e00\u79cd\u4e09\u7ef4…<\/p>\n","protected":false},"author":15,"featured_media":47873,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[31],"class_list":["post-47872","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","tag-dianzi"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/47872"}],"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\/15"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=47872"}],"version-history":[{"count":5,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/47872\/revisions"}],"predecessor-version":[{"id":48351,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/47872\/revisions\/48351"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/47873"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=47872"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=47872"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=47872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
<\/p>\n
<\/p>\n
<\/p>\n