{"id":255861,"date":"2023-11-16T06:59:22","date_gmt":"2023-11-15T22:59:22","guid":{"rendered":"\/\/m.iemloyee.com\/?p=255861"},"modified":"2023-11-15T20:59:35","modified_gmt":"2023-11-15T12:59:35","slug":"%e5%8c%97%e4%ba%ac%e5%a4%a7%e5%ad%a6nature-physics%ef%bc%9a%e5%85%89%e5%ad%a6%e9%9d%9e%e7%ba%bf%e6%80%a7%e8%b0%83%e6%8e%a7%e5%92%8c%e7%9a%84%e9%9d%9e%e5%8e%84%e7%b1%b3%e6%8b%93%e6%89%91%e7%9b%b8","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=255861","title":{"rendered":"\u5317\u4eac\u5927\u5b66Nature Physics\uff1a\u5149\u5b66\u975e\u7ebf\u6027\u8c03\u63a7\u548c\u7684\u975e\u5384\u7c73\u62d3\u6251\u76f8\u53d8"},"content":{"rendered":"
\u4e00\u3001\u3010\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u62d3\u6251\u3001\u975e\u5384\u7c73\u548c\u975e\u7ebf\u6027\u5747\u4e3a\u5149\u5b66\u9886\u57df\u7684\u7814\u7a76\u7126\u70b9\uff0c\u4f46\u5177\u6709\u622a\u7136\u4e0d\u540c\u7684\u7269\u7406\u56fe\u50cf\u548c\u5e94\u7528\u3002\u62d3\u6251\u7edd\u7f18\u4f53\u662f\u4e00\u7c7b\u5177\u6709\u7279\u6b8a\u7684\u80fd\u5e26\u7ed3\u6784\u548c\u8fb9\u754c\u6001\u7684\u6750\u6599\uff0c\u5b83\u4eec\u5bf9\u5916\u754c\u7684\u5fae\u6270\u5177\u6709\u5f88\u5f3a\u7684\u9c81\u68d2\u6027\u3002\u62d3\u6251\u7edd\u7f18\u4f53\u7684\u80fd\u5e26\u7ed3\u6784\u53ef\u4ee5\u7528\u62d3\u6251\u4e0d\u53d8\u91cf\u6765\u523b\u753b\uff0c\u8fd9\u4e9b\u4e0d\u53d8\u91cf\u53cd\u6620\u4e86\u80fd\u5e26\u7684\u5168\u5c40\u6027\u8d28\u3002\u4e3a\u4e86\u8c03\u63a7\u62d3\u6251\u7edd\u7f18\u4f53\u7684\u80fd\u5e26\u7ed3\u6784\u548c\u8fb9\u754c\u6001\uff0c\u901a\u5e38\u9700\u8981\u6539\u53d8\u6750\u6599\u7684\u51e0\u4f55\u53c2\u6570\u6216\u8005\u65bd\u52a0\u5916\u573a\uff0c\u4f46\u8fd9\u6837\u505a\u4f1a\u964d\u4f4e\u5207\u6362\u901f\u5ea6\u548c\u7075\u6d3b\u6027\u3002\u8fd1\u5e74\u6765\uff0c\u5149\u5b66\u975e\u7ebf\u6027\u88ab\u53d1\u73b0\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u79cd\u6709\u6548\u7684\u624b\u6bb5\u6765\u8c03\u8282\u62d3\u6251\u548c\u975e\u5384\u7c73\uff08NH\uff09\u6027\u8d28\uff0c\u4ece\u800c\u5b9e\u73b0\u5feb\u901f\u7684\u62d3\u6251\u76f8\u53d8\u3002\u975e\u5384\u7c73\u7cfb\u7edf\u662f\u6307\u54c8\u5bc6\u987f\u91cf\u4e0d\u6ee1\u8db3\u5384\u7c73\u5171\u8f6d\u7684\u7cfb\u7edf\uff0c\u5b83\u4eec\u53ef\u4ee5\u63cf\u8ff0\u5f00\u653e\u7cfb\u7edf\u4e2d\u7684\u80fd\u91cf\u8017\u6563\u6216\u589e\u76ca\u3002\u975e\u5384\u7c73\u7cfb\u7edf\u5177\u6709\u4e00\u4e9b\u72ec\u7279\u7684\u73b0\u8c61\uff0c\u5982\u5947\u5f02\u70b9\u3001\u975e\u5384\u7c73\u76ae\u80a4\u6548\u5e94\u548c\u975e\u5e03\u6d1b\u8d6b\u80fd\u5e26\u7406\u8bba\u7b49\u3002<\/p>\n \u00a0<\/strong>\u4e8c\u3001\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u5317\u4eac\u5927\u5b66\u738b\u5251\u5a01\u7814\u7a76\u5458\u56e2\u961f<\/strong>\u62a5\u9053\u4e86\u5728\u7845\u57fa\u7eb3\u7c73\u5149\u5b50Floquet\u62d3\u6251\u7edd\u7f18\u4f53\u4e2d\uff0c\u5229\u7528\u5149\u5b66\u975e\u7ebf\u6027\u9a71\u52a8\u7684\u975e\u5384\u7c73\u62d3\u6251\u76f8\u53d8\u3002Floquet\u62d3\u6251\u7edd\u7f18\u4f53\u662f\u6307\u53d7\u5230\u5468\u671f\u6027\u9a71\u52a8\u7684\u62d3\u6251\u7edd\u7f18\u4f53\uff0c\u5b83\u4eec\u53ef\u4ee5\u901a\u8fc7Floquet\u7406\u8bba\u6765\u63cf\u8ff0\u3002\u7814\u7a76\u4eba\u5458\u5229\u7528\u4e86\u7845\u57fa\u7eb3\u7c73\u5149\u5b50\u6676\u4f53\u4f5c\u4e3a\u5e73\u53f0\uff0c\u901a\u8fc7\u8c03\u8282\u5165\u5c04\u6fc0\u5149\u7684\u5f3a\u5ea6\u548c\u9891\u7387\uff0c\u5b9e\u73b0\u4e86\u4ece\u7981\u5e26\u5230\u975e\u5384\u7c73\u5bfc\u7535\u8fb9\u754c\u6a21\u5f0f\u7684\u76f8\u53d8\u3002\u8fd9\u4e9b\u8fb9\u754c\u6a21\u5f0f\u51fa\u73b0\u5728\u7531\u5149\u5b66\u975e\u7ebf\u6027\u8bf1\u5bfc\u7684\u589e\u76ca-\u635f\u8017\u7ed3\u70b9\u6cbf\u7740\u62d3\u6251\u7edd\u7f18\u4f53\u7684\u8fb9\u754c\u3002\u5b9e\u9a8c\u53d1\u73b0\u4e86\u9759\u6001\u7684\u975e\u5384\u7c73\u8fb9\u754c\u6a21\u5f0f\u548c\u6d89\u53ca\u5947\u5f02\u70b9\u7684\u52a8\u6001\u76f8\u53d8\uff0c\u8fd9\u4e9b\u76f8\u53d8\u53d1\u751f\u5728\u51e0\u767e\u76ae\u79d2\u7684\u65f6\u95f4\u5c3a\u5ea6\u4e0a\uff0c\u5e76\u4e14\u4fdd\u6301\u4e86\u62d3\u6251\u5bf9\u5236\u5907\u7f3a\u9677\u7684\u4fdd\u62a4\u3002\u672c\u7814\u7a76\u5c55\u793a\u4e86\u901a\u8fc7\u975e\u7ebf\u6027\u5149\u5b66\u5b9e\u73b0\u62d3\u6251\u548c\u975e\u5384\u7c73\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\uff0c\u5e76\u4e14\u63d0\u4f9b\u4e86\u4e00\u79cd\u5728\u9ad8\u901f\u5ea6\u4e0b\u64cd\u7eb5\u591a\u91cd\u76f8\u53d8\u7684\u65b9\u6cd5\uff0c\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5e94\u7528\u4e8e\u8bb8\u591a\u5176\u4ed6\u5177\u6709\u5f3a\u975e\u7ebf\u6027\u7684\u6750\u6599\uff0c\u4ece\u800c\u4fc3\u8fdb\u4e0d\u5bfb\u5e38\u9c81\u68d2\u7684\u5149\u8c03\u63a7\u5668\u4ef6\u5728\u7ecf\u5178\u548c\u91cf\u5b50\u5e94\u7528\u4e2d\u7684\u53d1\u5c55\u3002\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cNon-Hermitian topological phase transitions controlled by nonlinearity<\/strong>\u201d\u53d1\u8868\u5728\u77e5\u540d\u671f\u520aNature Physics<\/em><\/strong>\u4e0a\u3002<\/p>\n \u4e09\u3001\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/strong><\/p>\n \u5229\u7528\u7845\u7eb3\u7c73\u6ce2\u5bfc\u7684\u56db\u6ce2\u6df7\u9891\u589e\u76ca\uff0c\u5728\u7845\u57fa\u96c6\u6210\u5149\u5b66\u62d3\u6251\u7edd\u7f18\u4f53\u4e0a\u5b9e\u73b0\u4e86\u4ece\u7981\u5e26\u5230\u975e\u5384\u7c73\u4f20\u8f93\u8fb9\u754c\u6001\u7684\u767e\u76ae\u79d2\u91cf\u7ea7\u5feb\u901f\u975e\u5384\u7c73\u76f8\u53d8\u8fc7\u7a0b\uff0c\u6210\u529f\u91cd\u6784\u4e86\u5177\u6709\u62d3\u6251\u4fdd\u62a4\u7279\u6027\u7684\u76f8\u5e72\u5149\u5b66\u8f93\u8fd0\u4fe1\u9053\u3002<\/p>\n \u00a0<\/strong>\u56db\u3001\u3010\u6570\u636e\u6982\u89c8\u3011<\/strong><\/p>\n \u00a0 \u56fe<\/strong>1\u00a0 <\/strong>\u57fa\u4e8e\u5149\u5b66\u975e\u7ebf\u6027\u8bf1\u5bfc\u7684\u9ad8\u901f\u975e\u5384\u7c73\u62d3\u6251\u76f8\u53d8<\/strong> \u00a9 2023 Springer Nature<\/strong><\/p>\n \uff08a\uff09\u62d3\u6251\u5149\u5b50\u5b66\u3001NH\u5149\u5b50\u5b66\u548c\u975e\u7ebf\u6027\u5149\u5b50\u5b66\u7684\u76f8\u4e92\u4f5c\u7528\u3002<\/p>\n \uff08b-c\uff09\u5149\u573a\u5206\u5e03\u793a\u610f\u56fe\u3002<\/p>\n <\/p>\n <\/p>\n \u56fe<\/strong>2\u00a0 FTI<\/strong>\u5728\u7ebf\u6027\u548c\u975e\u7ebf\u6027\u533a\u57df\u7684\u80fd\u5e26\u7ed3\u6784\u548c\u76f8\u56fe<\/strong> \u00a9 2023 Springer Nature<\/strong><\/p>\n \uff08a\uff09\u5c06\u589e\u76ca\u8bbe\u4e3ag\u03b4L<\/em> = 0 \u65f6\uff0c\u4e0d\u540c\u8026\u5408\u5f3a\u5ea6\u03b8<\/em>\u548c\u52a8\u91cfkx<\/sub><\/em>\u7684\u672c\u5f81\u8c31\u7684\u9ece\u66fc\u8868\u3002<\/p>\n \uff08b-c\uff09CI\u9636\u6bb5\u548cAFTI\u9636\u6bb5\u7684\u6295\u5f71\u5e26\u7ed3\u6784\u3002<\/p>\n \uff08d\uff09\u5728CI\u9636\u6bb5\u8bbe\u7f6e\u8026\u5408\u5f3a\u5ea6\u4e3a\u03b8<\/em> = 0.3\u03c0 \u65f6\uff0c\u4e0d\u540c\u589e\u76ca\u7cfb\u6570g\u03b4L<\/em>\u548c\u52a8\u91cfkx<\/sub><\/em>\u503c\u4e0b\u7684\u672c\u5f81\u8c31\u5b9e\u90e8\u9ece\u66fc\u8868\u3002<\/p>\n \uff08e\uff09\u6295\u5f71\u5230kx<\/sub><\/em> = 0\u5e73\u9762\u4e0a\u7684\u5e26\u72b6\u7ed3\u6784\u865a\u90e8\uff0c\u663e\u793a\u4e86\u968f\u7740\u8fb9\u754c\u589e\u76ca\u7684\u589e\u52a0\u5728EP\u5904\u7684\u6a21\u5f0f\u5206\u88c2\u3002<\/p>\n \uff08f\uff09\u5e26\u9699\u8de8\u03f5 = \u03c0\/T\u65f6TPT\u548cNHPT\u7684\u5b8c\u6574\u76f8\u56fe\u3002<\/p>\n \uff08g-i\uff09g\u03b4L<\/em> = 0.406\u30010.588\u548c1.099\uff08\u03b8<\/em> = 0.3\u03c0\uff09\u65f6\u7684\u5e26\u9699\u7ed3\u6784\u3002<\/p>\n <\/p>\n \u56fe<\/strong>3\u00a0 <\/strong>\u62d3\u6251\u76f8\u53d8\u548c<\/strong>NH<\/strong>\u76f8\u53d8\u7684\u5b9e\u9a8c\u7ed3\u679c<\/strong> \u00a9 2023 Springer Nature<\/strong><\/p>\n \uff08a\uff09\u6d4b\u91cf\u7684\uff08b\uff09\u4e2dFTI\u5668\u4ef6\u7684\u7ebf\u6027\u4f20\u8f93\u5149\u8c31\u3002<\/p>\n \uff08b\uff09\u5236\u9020\u7684FTI\u7684\u5149\u5b66\u663e\u5fae\u955c\u56fe\u50cf\u3002<\/p>\n \uff08c, e\uff09\u60f0\u6027\u5149\u548c\u4fe1\u53f7\u5149\u5206\u522b\u5728CI\u548cAFTI\u9636\u6bb5\u7684\u5355FSR\u5149\u8c31\u653e\u5927\u56fe\u3002<\/p>\n \uff08d\uff09\u5b9a\u5411\u8026\u5408\u5668\u8026\u5408\u5f3a\u5ea6\u03b8<\/em>\u7684\u6d4b\u91cf\u5149\u8c31\u54cd\u5e94\u3002<\/p>\n \uff08f-k\uff09\u5728\u62d3\u6251\u8fb9\u7f18\u6a21\u5f0f\u3001\u4f53\u6a21\u5f0f\u3001\u7981\u5e26\u9699\u548c\u5916\u90e8\u8f93\u5165\u60f0\u6027\u5149\u4e0b\uff0c\u4ee5\u53ca\u5728\u62d3\u6251\u8fb9\u7f18\u6a21\u5f0f\u3001\u4f53\u6a21\u5f0f\u3001NH\u8fb9\u7f18\u6a21\u5f0f\u548c\u5185\u90e8FWM\u4ea7\u751f\u7684\u60f0\u6027\u5149\u4e0b\uff0cFTI\u4e2d\u7535\u78c1\u573a\u7684\u5b9e\u7a7a\u95f4\u5206\u5e03\u6d4b\u91cf\u503c\u548c\u6a21\u62df\u503c\u3002<\/p>\n \uff08l\uff09NH \u8fb9\u7f18\u6a21\u5f0f\u7684\u5b9a\u91cf\u7279\u5f81\u3002<\/p>\n <\/p>\n <\/p>\n \u56fe<\/strong>4\u00a0 <\/strong>\u975e\u5384\u7c73\u8fb9\u754c\u4fe1\u9053\u7684\u76f8\u5e72\u6027\u8bc1\u660e<\/strong> \u00a9 2023 Springer Nature<\/strong><\/p>\n \uff08a-f\uff09\u5206\u522b\u5728\u4e24\u4e2a\u62d3\u6251\u6a21\u5f0f\u548cNH\u8fb9\u7f18\u6a21\u5f0f\u4e4b\u95f4\u8fdb\u884c\u5149\u5b66\u5e72\u6d89\u6d4b\u91cf\u3002<\/p>\n <\/p>\n \u56fe<\/strong>5\u00a0 <\/strong>\u975e\u7ebf\u6027\u9a71\u52a8\u7684\u767e\u76ae\u79d2\u7ea7\u975e\u5384\u7c73\u62d3\u6251\u76f8\u53d8\u5b9e\u9a8c\u7ed3\u679c<\/strong> \u00a9 2023 Springer Nature<\/strong><\/p>\n \uff08a\uff09\u9a71\u52a8\u4fe1\u53f7\u706f\uff0c\u5feb\u901f\u8c03\u5236\uff0c\u4e0a\u5347\u65f6\u95f4\u4e3a 244.3 \u00b1 5.2 ps\u3002<\/p>\n \uff08b\uff09\u63a2\u6d4b\u5230\u7684FWM\u4ea7\u751f\u7684\u60f0\u6027\u5149\u7684\u65f6\u95f4\u54cd\u5e94\u3002<\/p>\n \uff08c\uff09\u5feb\u901fNHPT\u7684\u6a21\u62df\u52a8\u6001\u6f14\u53d8\u3002<\/p>\n \u4e94\u3001\u3010\u6210\u679c\u542f\u793a\u3011<\/strong><\/p>\n \u672c\u7814\u7a76\u4e3b\u8981\u662f\u5173\u4e8e\u5149\u5b66\u975e\u7ebf\u6027\u8c03\u63a7\u7684\u975e\u5384\u7c73\u62d3\u6251\u76f8\u53d8\uff0c\u901a\u8fc7\u975e\u7ebf\u6027\u5149\u5b66\u5c55\u793a\u4e86\u62d3\u6251\u548c\u975e\u5384\u7c73\u6027\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\uff0c\u63d0\u4f9b\u4e86\u9ad8\u901f\u8c03\u63a7\u591a\u4e2a\u76f8\u53d8\u7684\u65b9\u6cd5\u3002\u5b83\u63ed\u793a\u4e86\u4e00\u79cd\u65b0\u9896\u7684\u7269\u7406\u673a\u5236\u548c\u5b9e\u9a8c\u5e73\u53f0\uff0c\u4e3a\u672a\u6765\u8bbe\u8ba1\u548c\u5b9e\u73b0\u9ad8\u6548\u3001\u7075\u6d3b\u548c\u9c81\u68d2\u7684\u5149\u5b50\u5668\u4ef6\u63d0\u4f9b\u4e86\u53ef\u80fd\u3002<\/p>\n
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