{"id":35221,"date":"2022-06-15T20:29:42","date_gmt":"2022-06-15T12:29:42","guid":{"rendered":"https:\/\/swarma.org\/?p=35221"},"modified":"2022-06-15T20:29:42","modified_gmt":"2022-06-15T12:29:42","slug":"%e4%bb%80%e4%b9%88%e6%98%af%e5%8a%a8%e5%8a%9b%e5%ad%a6%e5%b9%b3%e5%9d%87%e5%9c%ba%e7%90%86%e8%ae%ba-%e9%9b%86%e6%99%ba%e7%99%be%e7%a7%91","status":"publish","type":"post","link":"https:\/\/swarma.org\/?p=35221","title":{"rendered":"\u4ec0\u4e48\u662f\u52a8\u529b\u5b66\u5e73\u5747\u573a\u7406\u8bba | \u96c6\u667a\u767e\u79d1"},"content":{"rendered":"
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\u52a8\u529b\u5b66\u5e73\u5747\u573a\u7406\u8bba(DMFT)\u662f\u4e00\u79cd\u786e\u5b9a\u5f3a\u5173\u8054\u6750\u6599\u7535\u5b50\u7ed3\u6784\u7684\u65b9\u6cd5\u3002\u5728\u8fd9\u79cd\u6750\u6599\u4e2d\uff0c\u7528\u4e8e\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u548c\u901a\u5e38\u7684\u80fd\u5e26\u7ed3\u6784\u8ba1\u7b97\u7684\u72ec\u7acb\u7535\u5b50\u8fd1\u4f3c\u5931\u6548\u4e86\u3002\u52a8\u529b\u5b66\u5e73\u5747\u573a\u7406\u8bba\u662f\u5bf9\u7535\u5b50\u4e4b\u95f4\u5c40\u90e8\u76f8\u4e92\u4f5c\u7528\u7684\u975e\u5fae\u6270\u5904\u7406\uff0c\u5b83\u5728\u8fd1\u81ea\u7531\u7535\u5b50\u6c14\u6781\u9650\u548c\u51dd\u805a\u6001\u7269\u7406\u5b66\u7684\u539f\u5b50\u6781\u9650\u4e4b\u95f4\u67b6\u8d77\u4e86\u6865\u6881\u3002<\/span><\/p>\n


DMFT \u662f\u5c06\u4e00\u4e2a\u591a\u4f53\u6676\u683c\u95ee\u9898\u6620\u5c04\u5230\u4e00\u4e2a\u591a\u4f53\u5c40\u90e8\u95ee\u9898\uff0c\u5373\u6742\u8d28\u6a21\u578b\u3002\u6742\u8d28\u6a21\u578b\u901a\u5e38\u53ef\u4ee5\u901a\u8fc7\u5404\u79cd\u65b9\u6848\u6c42\u89e3\uff0c\u800c\u6676\u683c\u95ee\u9898\u901a\u5e38\u662f\u96be\u4ee5\u89e3\u51b3\u7684\u3002\u6620\u5c04\u672c\u8eab\u5e76\u4e0d\u6784\u6210\u8fd1\u4f3c\u503c\u3002\u666e\u901aDMFT\u65b9\u6848\u4e2d\u552f\u4e00\u7684\u8fd1\u4f3c\u662f\u5047\u5b9a\u6676\u683c\u81ea\u80fd lattice self-energy\u662f\u4e00\u4e2a\u4e0e\u52a8\u91cf\u65e0\u5173\u7684\uff08\u5c40\u90e8\uff09\u91cf\u3002\u8fd9\u79cd\u8fd1\u4f3c\u5728\u5177\u6709\u65e0\u9650\u534f\u8c03\u6027\u6676\u683c\u7684\u6781\u9650\u4e2d\u53d8\u5f97\u7cbe\u786e\u3002<\/span><\/p>\n


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\u540c\u6837\uff0cDMFT\u5c06\u4e00\u4e2a\u6676\u683c\u95ee\u9898\uff08\u5982Hubbard\u6a21\u578b\uff09\u6620\u5c04\u5230\u4e00\u4e2a\u5355\u70b9\u95ee\u9898\u3002\u5728DMFT\u4e2d\uff0c\u5c40\u90e8\u89c2\u6d4b\u6307\u6807\u662f\u5c40\u90e8\u683c\u6797\u51fd\u6570\u3002\u56e0\u6b64\uff0cDMFT\u7684\u81ea\u6d3d\u6761\u4ef6\u662f\u6742\u8d28\u683c\u6797\u51fd\u6570\u901a\u8fc7\u6709\u6548\u7684\u5e73\u5747\u573a\u91cd\u73b0\u6676\u683c\u5c40\u90e8\u683c\u6797\u51fd\u6570\uff0c\u5728DMFT\u4e2d\uff0c\u5e73\u5747\u573a\u662f\u6742\u8d28\u6a21\u578b\u7684\u6742\u5316\u51fd\u6570<\/span><\/p>\n


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