{"id":261510,"date":"2024-07-24T09:44:20","date_gmt":"2024-07-24T01:44:20","guid":{"rendered":"\/\/m.iemloyee.com\/?p=261510"},"modified":"2024-07-24T09:44:20","modified_gmt":"2024-07-24T01:44:20","slug":"nature%ef%bc%9a%e8%8c%83%e5%be%b7%e5%8d%8e%e5%bc%82%e8%b4%a8%e7%bb%93%e6%9e%84%e4%b8%ad%e7%9a%84%e6%96%b0%e5%8f%91%e7%8e%b0","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=261510","title":{"rendered":"Nature\uff1a\u8303\u5fb7\u534e\u5f02\u8d28\u7ed3\u6784\u4e2d\u7684\u65b0\u53d1\u73b0"},"content":{"rendered":"

\u4e00\u3001\u3010\u79d1\u5b66\u80cc\u666f\u3011 \u00a0<\/strong><\/p>\n

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 <\/p>\n

\u60ac\u7a7a\u7684\u534a\u5bfc\u4f53\u78b3\u7eb3\u7c73\u7ba1\u4e3a\u63a2\u7d22\u4f4e\u5bc6\u5ea6\u533a\u57df\u63d0\u4f9b\u4e86\u4e00\u4e2a\u6709\u7528\u7684\u5e73\u53f0\uff0c\u5728\u78b3\u7eb3\u7c73\u7ba1\u7684\u7535\u4f20\u8f93\u548c\u626b\u63cf\u5355\u7535\u5b50\u6676\u4f53\u7ba1\uff08SET\uff09\u6d4b\u91cf\u4e2d\u89c2\u5bdf\u5230\u4e86Wigner\u6676\u4f53\u5316\u7684\u8ff9\u8c61\u3002\u7136\u800c\uff0c\u5373\u4f7f\u662f\u8fd9\u4e9b\u7eb3\u7c73\u7ba1\u4e2d\u7684\u5c11\u6570\u7535\u5b50Wigner\u6676\u4f53\u4e5f\u56e0\u65e0\u5e8f\u800c\u4e25\u91cd\u7578\u53d8\uff0c\u4ece\u800c\u963b\u788d\u4e86\u5bf9\u51c6\u957f\u7a0b\u6709\u5e8f\u6027\u7684\u7814\u7a76\u4ee5\u53ca\u4ece\u5f3a\u76f8\u4e92\u4f5c\u7528Wigner\u6676\u4f53\u5230\u5f31\u76f8\u4e92\u4f5c\u7528Luttinger\u6db2\u4f53\u7684\u4ea4\u53c9\u3002\u5b9e\u9a8c\u4e0a\u8868\u5f81\u8026\u5408Luttinger\u6db2\u4f53\u9635\u5217\u66f4\u5177\u6311\u6218\u6027\uff0c\u56e0\u4e3a\u7f3a\u4e4f\u5408\u9002\u7684\u5e73\u53f0\u3002\u5df2\u7ecf\u63d0\u51fa\u9ad8\u6e29\u8d85\u5bfc\u4f53\u7684\u6761\u7eb9\u76f8\u548c\u626d\u66f2\u7684WTe2<\/sub>\u4e2d\u7684\u5404\u5411\u5f02\u6027\u6469\u5c14\u8d85\u6676\u683c\u53ef\u80fd\u63d0\u4f9b\u8026\u5408\u7684\u4e00\u7ef4\u7535\u5b50\u94fe\uff0c\u4f46\u8fd9\u4e9b\u6750\u6599\u7684\u5fae\u89c2\u63cf\u8ff0\u4ecd\u7136\u7f3a\u4e4f\u3002<\/p>\n

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\u4e8c\u3001\u3010\u521b\u65b0\u6210\u679c\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u52a0\u5dde\u5927\u5b66\u4f2f\u514b\u5229\u5206\u6821\u7814\u7a76\u4eba\u5458\u8bc1\u660e\u8303\u5fb7\u534e\u5f02\u8d28\u7ed3\u6784\u4e2d\u7684\u5c42\u5806\u53e0\u7574\u58c1(DW)\u00a0\u662f\u63a2\u7d22\u4e00\u7ef4\u5362\u5ef7\u683c\u6db2\u4f53\u4e2d\u81ea\u65cb\u548c\u8f68\u9053\u91cf\u5b50\u884c\u4e3a\u7684\u7406\u60f3\u5e73\u53f0\uff0c\u5177\u6709\u53ef\u8c03\u76f8\u4e92\u4f5c\u7528\u5f3a\u5ea6\u3002\u5806\u53e0\u7684DW\u53ef\u4ee5\u4ee5\u5b64\u7acb\u5f62\u5f0f\uff08\u4ea7\u751f\u5355\u4e2a\u4e00\u7ef4\u7535\u5b50\u94fe\uff09\u6216\u4f5c\u4e3a\u81ea\u7ec4\u88c5\u7684\u5468\u671f\u6027\u5362\u5ef7\u683c\u6db2\u4f53\u9635\u5217\u5f62\u6210\u3002DW\u7684\u4e00\u4e2a\u4f18\u70b9\u662f\u5b83\u4eec\u5d4c\u5165\u5728\u4e8c\u7ef4\u8303\u5fb7\u534e\u5f02\u8d28\u7ed3\u6784\u4e2d\uff0c\u8fd9\u4e9b\u7ed3\u6784\u8868\u73b0\u51fa\u4f4e\u7ed3\u6784\u65e0\u5e8f\uff0c\u5e76\u4fc3\u8fdb\u65b9\u4fbf\u7684\u7535\u5b50\u5668\u4ef6\u5236\u9020\u548c\u8868\u5f81\u3002\u4f7f\u7528\u626b\u63cf\u96a7\u9053\u663e\u5fae\u955c\uff08STM\uff09\uff0c\u4f5c\u8005\u76f4\u63a5\u6210\u50cf\u4e86\u5728\u4e0d\u540c\u76f8\u4e92\u4f5c\u7528\u673a\u5236\u4e0b\uff0c\u901a\u8fc7\u7535\u5b50\u5bc6\u5ea6\u8c03\u8282\u7684\u57fa\u4e8eDW\u7684Luttinger\u6db2\u4f53\u7684\u6f14\u53d8\uff0c\u63ed\u793a\u4e86\u65b0\u7684\u91cf\u5b50\u73b0\u8c61\u3002<\/p>\n

\"\"<\/p>\n

\u56fe1\uff08a\uff09<\/strong>STM\u6d4b\u91cf\u95e8\u63a7\u53cc\u5c42WS<\/strong>2<\/sub><\/strong>\u5668\u4ef6\u7684\u793a\u610f\u56fe\u3002\uff08b\uff09\u53cc\u5c42WS<\/strong>2<\/sub><\/strong>\u4e2d\u5806\u53e0DWs\u7684\u5178\u578bSTM\u5f62\u8c8c\u56fe\u50cf\u3002<\/strong>\u00a9<\/strong>\u00a02023 Springer Nature<\/strong><\/p>\n

\u5b9e\u9a8c\u88c5\u7f6e\u6d89\u53ca\u96c6\u6210\u5230STM\u4e2d\u768460\u00b0\u626d\u66f2\u53cc\u5c42WS2<\/sub>\u5668\u4ef6\u3002\u8fd9\u79cd\u4eba\u5de5\u5806\u53e0\u5728\u53cc\u5c42WS2<\/sub>\u4e2d\u5f15\u5165\u4e86\u7574\u58c1(DW)\uff0c\u4ece\u800c\u521b\u5efa\u4e86\u4e00\u4e2a\u7814\u7a76Luttinger\u6db2\u4f53\u884c\u4e3a\u7684\u5e73\u53f0\u3002\u53cc\u5c42WS2<\/sub>\u653e\u7f6e\u5728\u77f3\u58a8\u80cc\u6805\u4e0a\u65b9\u7684\u516d\u65b9\u6c2e\u5316\u787c(hBN)\u8584\u7247\u4e0a\uff0c\u5e76\u4f7f\u7528\u77f3\u58a8\u70ef\u7eb3\u7c73\u5e26\u63a5\u89e6\u7535\u6781\u6765\u6700\u5927\u9650\u5ea6\u5730\u964d\u4f4e\u5668\u4ef6\u7535\u963b\u3002<\/p>\n

\"\"<\/p>\n

\u56fe2\uff08a\uff09\u4e00\u7ef4Wigner\u6676\u4f53\u7684\u96a7\u9053\u7535\u6d41\u6d4b\u91cf\u3002\uff08b\uff09<\/strong>\u8868\u4e2d\u5217\u51fa\u4e86\u56fea\u4e2d\u663e\u793a\u7684\u56fe\u50cf\u7684\u7535\u5b50\u95f4\u8ddd\u548c\u76f8\u5e94\u7684<\/strong>\u65e0\u91cf\u7eb2\u53c2\u6570<\/strong>\u503c\u3002<\/strong>\u00a9<\/strong>\u00a02023 Springer Nature<\/strong><\/p>\n

\u00a0<\/strong><\/p>\n

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\"\"<\/p>\n

\u56fe3\u4e00\u7ef4Wigner-Friedel\u4ea4\u53c9\u3002\uff08a\uff09<\/strong>\u96a7\u9053\u7535\u6d41\u56fe\u7684\u6f14\u53d8\u3002\uff08b\uff09\u96a7\u9053\u7535\u6d41\u7684\u4e8c\u7ef4\u56fe\u3002\uff08c\uff09\u56feb\u6570\u636e\u7684\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362\uff08FFT\uff09\u3002\uff08d\uff09\u6709\u9650\u4e00\u7ef4\u7535\u5b50\u94fe\u7684\u5c40\u90e8\u7535\u5b50\u5bc6\u5ea6\u5206\u5e03\u7684<\/strong>\u5bc6\u5ea6\u77e9\u9635\u91cd\u6574\u5316\u7fa4\uff08DMRG\uff09<\/strong>\u8ba1\u7b97\u7ed3\u679c\uff0c\u4f5c\u4e3a\u5e73\u5747\u5bc6\u5ea6\u7684\u51fd\u6570\u3002\uff08e\uff09\u56fed\u7ed3\u679c\u7684FFT\u3002<\/strong>\u00a9<\/strong>\u00a02023 Springer Nature<\/strong><\/p>\n

\u00a0<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>4<\/strong>\u4e00\u7ef4DW\u9635\u5217\u4e2d\u7535\u5b50\u6676\u4f53\u5230\u8fd1\u6676\u76f8\u7684\u8f6c\u53d8<\/strong>\u3002\uff08a-h\uff09\u96a7\u9053\u7535\u6d41\u56fe\u3002\uff08i-p\uff09a-h\u56fe\u50cf\u7684\u4e8c\u7ef4FFT\u56fe\u3002<\/strong>\u00a9<\/strong>\u00a02023 Springer Nature<\/strong><\/p>\n

\u8be5\u7814\u7a76\u6269\u5c55\u5230DW\u9635\u5217\uff0c\u63ed\u793a\u4e86\u94fe\u5185\u548c\u94fe\u95f4\u76f8\u4e92\u4f5c\u7528\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u6240\u4ea7\u751f\u7684\u4e30\u5bcc\u73b0\u8c61\u3002\u5728\u4f4e\u7535\u5b50\u5bc6\u5ea6\u4e0b\uff0cDW\u00a0Wigner\u6676\u94fe\u5448\u73b0\u51fa\u4ea4\u9519\u7ed3\u6784\uff0c\u5f62\u6210\u5404\u5411\u5f02\u6027\u7684\u4e8c\u7ef4\u7535\u5b50\u6676\u683c\u3002\u8fd9\u79cd\u914d\u7f6e\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u4e86DW\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\uff0c\u4ece\u800c\u521b\u5efa\u4e86\u65b0\u7684\u7ed3\u6676\u76f8\u3002\u5728\u8f83\u9ad8\u7684\u7535\u5b50\u5bc6\u5ea6\u4e0b\uff0c\u8fd9\u79cd\u4ea4\u9519\u76f8\u8f6c\u53d8\u4e3a\u7535\u5b50\u8fd1\u6676\u6db2\u6676\u76f8\u3002\u8be5\u76f8\u7684\u7279\u5f81\u662f\u76f8\u90bbWigner\u6676\u4f53\u4e4b\u95f4\u7a7a\u95f4\u76f8\u5e72\u6027\u7684\u4e27\u5931\uff0c\u7c7b\u4f3c\u4e8e\u4f20\u7edf\u6db2\u6676\u4e2d\u89c2\u5bdf\u5230\u7684\u8f6c\u53d8\u30022D FFT \u56fe\u8bc1\u5b9e\u4e86\u6676\u4f53\u5230\u8fd1\u6676\u76f8\u7684\u8f6c\u53d8\uff0c\u4f4e\u5bc6\u5ea6\u4e0b\u7684\u5c16\u9510\u884d\u5c04\u5cf0\u8f6c\u53d8\u4e3a\u8f83\u9ad8\u5bc6\u5ea6\u4e0b\u7684\u6f2b\u5c04\u7ebf\uff0c\u53cd\u6620\u4e86 DW \u95f4\u76f8\u5e72\u6027\u7684\u635f\u5931\u3002<\/p>\n

\u00a0<\/strong><\/p>\n

\u8be5\u7814\u7a76\u8bc1\u660e\u4e86\u8303\u5fb7\u534e\u5f02\u8d28\u7ed3\u6784\u4e2d\u7684\u5c42\u5806\u53e0\u7574\u58c1\uff08DW\uff09\u5f62\u6210\u5e7f\u6cdb\u53ef\u8c03\u7684Luttinger\u6db2\u4f53\u7cfb\u7edf\uff0c\u4ee5\u201cImaging tunable Luttinger liquid systems in van der Waals heterostructures<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728\u56fd\u9645\u9876\u7ea7\u671f\u520aNature<\/strong>\u4e0a\uff0c\u5f15\u8d77\u4e86\u76f8\u5173\u9886\u57df\u7814\u7a76\u4eba\u5458\u70ed\u8bae\u3002<\/p>\n

\"\"<\/p>\n

\u4e09\u3001\u3010\u79d1\u5b66\u542f\u8fea\u3011<\/strong><\/p>\n

\u7efc\u4e0a\u6240\u8ff0\uff0c\u672c\u6587\u5c55\u793a\u4e86\u7531\u8303\u5fb7\u534e\u5f02\u8d28\u7ed3\u6784\u4e2d\u7684\u5c42\u5806\u53e0DWs\u4ea7\u751f\u7684\u4e0d\u540c\u5355\u8f74\u5e94\u53d8\uff0c\u4e3a\u63a2\u7d22Luttinger\u6db2\u4f53\u7269\u7406\u5b66\u63d0\u4f9b\u4e86\u5de8\u5927\u7684\u673a\u4f1a\u3002\u867d\u7136\u4f5c\u8005\u4f7f\u7528\u4e86\u7b80\u5355\u7684\u4e8c\u7ef4\u534a\u5bfc\u4f53WS2<\/sub>\u4f5c\u4e3a\u6a21\u578b\u7cfb\u7edf\uff0c\u4f46\u7c7b\u4f3c\u7684\u5b64\u7acbDWs\u548c\u5468\u671f\u6027DW\u9635\u5217\u53ef\u4ee5\u5728\u4efb\u4f55\u5177\u6709\u5355\u8f74\u5e94\u53d8\u7684\u4e8c\u7ef4\u53cc\u5c42\u6750\u6599\u4e2d\u5b9e\u73b0\u3002\u5728\u65b0\u7684\u8303\u5fb7\u534e\u5f02\u8d28\u7ed3\u6784\u4e2d\uff0c\u5982\u4e8c\u7ef4\u7535\u8377\u5bc6\u5ea6\u6ce2\u6750\u6599\u3001\u4e8c\u7ef4\u78c1\u6027\u6750\u6599\u548c\u4e8c\u7ef4\u8d85\u5bfc\u4f53\uff0c\u53ef\u80fd\u4f1a\u4eceDWs\u4e2d\u51fa\u73b0\u5404\u79cd\u5947\u5f02\u7684Luttinger\u6db2\u4f53\u73b0\u8c61\u3002<\/p>\n

 <\/p>\n

\u539f\u6587\u8be6\u60c5<\/strong>\uff1aHongyuan Li, Ziyu Xiang, Tianle Wang, Mit H. Naik, Woochang Kim, Jiahui Nie, Shiyu Li, Zhehao Ge, Zehao He, Yunbo Ou, Rounak Banerjee, Takashi Taniguchi, Kenji Watanabe, Sefaattin Tongay, Alex Zettl, Steven G. Louie, Michael P. Zaletel, Michael F. Crommie & Feng Wang. Imaging tunable Luttinger liquid systems in van der Waals heterostructures. Nature (2024). https:\/\/doi.org\/10.1038\/s41586-024-07596-6<\/p>\n

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