{"id":32550,"date":"2022-02-20T23:00:46","date_gmt":"2022-02-20T15:00:46","guid":{"rendered":"https:\/\/swarma.org\/?p=32550"},"modified":"2022-02-20T23:00:46","modified_gmt":"2022-02-20T15:00:46","slug":"prl%e9%80%9f%e9%80%92%ef%bc%9a%e4%bc%8a%e8%be%9b%e6%a8%a1%e5%9e%8b%e5%bb%ba%e6%a8%a1%e5%8a%a8%e7%89%a9%e7%9a%ae%e8%82%a4%e5%a4%8d%e6%9d%82%e6%96%91%e5%9b%be","status":"publish","type":"post","link":"https:\/\/swarma.org\/?p=32550","title":{"rendered":"PRL\u901f\u9012\uff1a\u4f0a\u8f9b\u6a21\u578b\u5efa\u6a21\u52a8\u7269\u76ae\u80a4\u590d\u6742\u6591\u56fe"},"content":{"rendered":"
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The ocellated lizard (Timon lepidus) exhibits an intricate skin color pattern made of monochromatic black and green skin scales, whose dynamics of color flipping are known to be well modeled by a stochastic cellular automaton. We show that the late-time probability distribution of the pattern corresponds to the canonical probability distribution of the antiferromagnetic Ising model and can be generated by dynamics different from the commonly-used Glauber. We comment on skin scale patterns generated by the Ising model on the triangular lattice in the low-temperature limit.<\/strong><\/p>\n


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\u7814\u7a76\u9886\u57df\uff1a\u6591\u56fe\u5f62\u6210\uff0c\u4f0a\u8f9b\u6a21\u578b\uff0c\u5143\u80de\u81ea\u52a8\u673a\uff0c\u81ea\u7ec4\u7ec7<\/strong><\/strong><\/span><\/strong><\/span><\/strong><\/span><\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

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<\/span>Lizard Skin Patterns and the Ising Model<\/span><\/p>\n

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https:\/\/journals.aps.org\/prl\/abstract\/10.1103\/PhysRevLett.128.048102<\/span>
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\u540c\u4e00\u7269\u79cd\u5185\uff0c\u4e2a\u4f53\u4e4b\u95f4\u7684\u80a4\u8272\u6591\u56fe\u9ad8\u5ea6\u76f8\u4f3c\uff0c\u6bd4\u5982\u6591\u9a6c\u7684\u6761\u7eb9\u548c\u730e\u8c79\u7684\u6591\u70b9\u3002\u7136\u800c\uff0c\u5982\u679c\u4ed4\u7ec6\u89c2\u5bdf\uff0c\u6bcf\u4e2a\u4e2a\u4f53\u90fd\u6709\u7740\u72ec\u7279\u7684\u6591\u56fe\u7ec6\u8282\u3002\u6839\u636e\u80a4\u8272\u6591\u56fe\u53ef\u80fd\u53d1\u751f\u7684\u6539\u53d8\uff0c\u53ef\u4ee5\u5c06\u7269\u79cd\u5206\u4e3a\u4ee5\u4e0b\u4e09\u7c7b\uff1a\u5728\u7b2c\u4e00\u7c7b\u7269\u79cd\u4e2d\uff0c\u4e2a\u4f53\u4e00\u751f\u90fd\u8868\u73b0\u51fa\u76f8\u540c\u7684\u80a4\u8272\u6591\u56fe\uff1b\u5728\u7b2c\u4e8c\u7c7b\u4e2d\uff0c\u80a4\u8272\u6591\u56fe\u5728\u5e7c\u5e74\u548c\u6210\u5e74\u4e4b\u95f4\u53d1\u751f\u6025\u5267\u8f6c\u53d8\uff1b\u7b2c\u4e09\u7c7b\u7269\u79cd\u7684\u80a4\u8272\u6591\u56fe\u4f1a\u4ece\u5e7c\u5e74\u6591\u56fe\u9010\u6e10\u8f6c\u53d8\u4e3a\u6210\u5e74\u6591\u56fe\u3002\u5355\u773c\u8725\u8734<\/span>\uff08Timon lepidus\uff09<\/span>\u5c5e\u4e8e\u7b2c\u4e09\u79cd\u60c5\u51b5\u3002\u5176\u5355\u4e2a\u9cde\u7247\u662f\u7eff\u8272\u6216\u9ed1\u8272\uff0c\u80cc\u90e8\u8ff7\u5bab\u56fe\u6848\u7531\u9ed1\u8272\u548c\u7eff\u8272\u9cde\u7247\u94fe\u7ec4\u6210\uff0c\u901a\u8fc7\u5355\u4e2a\u9cde\u7247\u7531\u7eff\u8272\u5230\u9ed1\u8272\uff0c\u6216\u9ed1\u8272\u5230\u7eff\u8272\u7684\u6e10\u53d8\u8fc7\u7a0b\u751f\u6210\u3002\u8fd9\u79cd\u989c\u8272\u7684\u8f6c\u53d8\u901a\u5e38\u9700\u8981\u51e0\u5468\u65f6\u95f4\uff0c\u6709\u4e9b\u751a\u81f3\u957f\u8fbe\u8fc7\u7a0b\u5f00\u59cb\u540e\u76843-4\u5e74\u3002<\/span><\/p>\n


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\u8fc7\u53bb\uff0c\u8fd9\u7c7b\u73b0\u8c61\u901a\u5e38\u53ef\u4ee5\u7531\u56fe\u7075\u7684\u53cd\u5e94\u6269\u6563\u65b9\u7a0b\u6765\u63cf\u8ff0\u3002\u8fd1\u65e5\uff0c\u65e5\u5185\u74e6\u5927\u5b66\u7684 Michel Milinkovitch \u53ca\u5176\u540c\u4e8b\u73b0\u5728 PRL \u53d1\u8868\u8bba\u6587\u8868\u660e\uff0c\u53cd\u94c1\u78c1\u4f0a\u8f9b\u6a21\u578b\u53ef\u4ee5\u66f4\u597d\u5730\u63cf\u8ff0\u8fd9\u4e9b\u5c3a\u5ea6\u4e0b\u5f62\u6210\u6700\u7ec8\u80a4\u8272\u6591\u56fe\u7684\u8fc7\u7a0b\u3002<\/strong><\/span><\/p>\n


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\u6b64\u524d\uff0c\u8be5\u56e2\u961f\u901a\u8fc7\u5143\u80de\u81ea\u52a8\u673a\u4e3a\u8725\u8734\u9cde\u7247\u7684\u6f14\u53d8\u4e0e\u5206\u5e03\u5efa\u6a21\uff0c\u5176\u4e2d\u7f51\u683c\u4e0a\u7684\u7ec6\u80de\u6839\u636e\u660e\u786e\u5b9a\u4e49\u7684\u89c4\u5219\u6f14\u5316\u3002\u4e24\u6001\u968f\u673a\u5143\u80de\u81ea\u52a8\u673a<\/span> (sCA)  <\/span>\u80fd\u591f\u6709\u6548\u5730\u63cf\u8ff0\u79bb\u6563\u5316\u7684\u76ae\u80a4\u9cde\u7247\u7684\u989c\u8272\u53d8\u5316\u884c\u4e3a\u3002\u5728\u8be5\u6a21\u578b\u4e2d\uff0c\u65f6\u95f4\u6b65\u957f\u8868\u793a\u968f\u7740\u8725\u8734\u7684\u751f\u957f\u800c\u589e\u52a0\u7684\u65f6\u95f4\u95f4\u9694\u3002\u95ee\u9898\u662f\uff0c\u8be5\u6a21\u578b\u9700\u8981\u591a\u8fbe 14 \u4e2a\u53c2\u6570\u3002\u4e3a\u4e86\u5bfb\u6c42\u66f4\u7b80\u5355\u7684\u63cf\u8ff0\uff0c\u7814\u7a76\u4eba\u5458\u8003\u8651\u4e86\u53cd\u94c1\u78c1\u6a21\u578b\uff0c\u5176\u4e2d\u6750\u6599\u4e2d\u7684\u539f\u5b50\u6216\u5206\u5b50\u5728\u81ea\u65cb\u72b6\u6001\u4e4b\u95f4\u7ffb\u8f6c\uff0c\u56e0\u6b64\u76f8\u90bb\u7c92\u5b50\u5f80\u5f80\u5177\u6709\u76f8\u53cd\u7684\u81ea\u65cb\u3002\u8be5\u6a21\u578b\u53ea\u6709\u4e24\u4e2a\u53c2\u6570\uff1a\u76f8\u90bb\u7c92\u5b50\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\uff0c\u4ee5\u53ca\u5916\u90e8\u78c1\u573a\u7684\u5f3a\u5ea6\u3002<\/span><\/p>\n


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\u56fe1\uff1a\u4f0a\u8f9b\u6a21\u578b\u548c Lizard sCA \u6a21\u578b\u7684\u7ed3\u679c\u5bf9\u6bd4\u793a\u610f\u56fe\uff0c\u53d1\u73b0\u6a21\u578b\u6548\u679c\u76f8\u4eff\u3002\u4f0a\u8f9b\u53cd\u94c1\u78c1\u6a21\u578b\u7cbe\u786e\u5730\u518d\u73b0\u4e86\u8725\u8734\u9cde\u7247\u968f\u65f6\u95f4\u6539\u53d8\u989c\u8272\u7684\u65b9\u5f0f\u3002<\/span><\/p>\n


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Milinkovitch \u53ca\u5176\u540c\u4e8b\u53d1\u73b0\uff0c\u53cd\u94c1\u78c1\u4f0a\u8f9b\u6a21\u578b\u51c6\u786e\u5730\u518d\u73b0\u4e86\u8fd9\u4e9b\u8725\u8734\u9cde\u7247\u989c\u8272\u7684\u65f6\u95f4\u6f14\u53d8\u3001\u6700\u7ec8\u56fe\u6848\u7684\u56fe\u50cf\u6027\u8d28\u4ee5\u53ca\u7eff\u8272\u548c\u9ed1\u8272\u9cde\u7247\u4e4b\u95f4\u7684\u5e73\u8861\u3002\u5728\u8be5\u6a21\u578b\u4e2d\uff0c\u9cde\u7247\u907f\u514d\u4e0e\u592a\u591a\u76f8\u90bb\u989c\u8272\u76f8\u540c\u7684\u8d8b\u52bf\u7c7b\u4f3c\u4e8e\u53cd\u94c1\u78c1\u4f53\u4e2d\u81ea\u65cb\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u3002\u800c\u7c7b\u4f3c\u4e8e\u78c1\u573a\u7684\u5916\u529b\uff0c\u76ae\u80a4\u4ea7\u751f\u4e86\u5bf9\u9ed1\u8272\u9cde\u7247\u7684\u8f7b\u5fae\u504f\u597d\uff0c\u800c\u4e0d\u662f\u7eff\u8272\u9cde\u7247\u3002<\/span><\/p>\n


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\u901a\u8fc7\u6bd4\u8f83\u4e24\u79cd\u6a21\u578b\u7684\u5185\u5728\u52a8\u529b\u5b66\uff0c\u7814\u7a76\u4eba\u5458\u8bc1\u5b9e\uff0c\u53cd\u94c1\u78c1\u4f0a\u8f9b\u6a21\u578b\u548c Lizard sCA \u6a21\u578b\u5728\u63cf\u8ff0\u8725\u8734\u80a4\u8272\u6f14\u5316\u8d8b\u52bf\u95ee\u9898\u4e2d\u5177\u6709\u76f8\u4f3c\u7684\u8868\u73b0\u3002\u4e24\u4e2a\u6a21\u578b\u90fd\u7ed9\u51fa\u4e86\u9488\u5bf9\u8725\u8734\u76ae\u80a4\u989c\u8272\u53d8\u5316\u52a8\u529b\u5b66\u7684\u9ad8\u8d28\u91cf\u8fd1\u4f3c\u7ed3\u679c\u3002\u52a8\u529b\u5b66\u6a21\u62df\u4e5f\u8868\u660e\uff0c\u5728\u5b9e\u9645\u8fd0\u7b97\u8fc7\u7a0b\u4e2d\uff0c\u4e24\u79cd\u6a21\u578b\u5177\u6709\u76f8\u4f3c\u7684\u904d\u5386\u884c\u4e3a\uff0c\u65f6\u95f4\u7ea6\u4e3a\u51e0\u5341\u4e2a CA \u65f6\u95f4\u6b65\u957f\u3002<\/span><\/p>\n


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\u96c6\u667a\u6591\u56fe\u9876\u520a\u8bba\u6587\u901f\u9012\u680f\u76ee\u4e0a\u7ebf\u4ee5\u6765\uff0c\u6301\u7eed\u6536\u5f55\u6765\u81eaNature\u3001Science<\/span>\u7b49\u9876\u520a\u7684\u6700\u65b0\u8bba\u6587\uff0c\u8ffd\u8e2a\u590d\u6742\u7cfb\u7edf\u3001\u7f51\u7edc\u79d1\u5b66\u3001\u8ba1\u7b97\u793e\u4f1a\u79d1\u5b66\u7b49\u9886\u57df\u7684\u524d\u6cbf\u8fdb\u5c55\u3002\u73b0\u5728\u6b63\u5f0f\u63a8\u51fa\u8ba2\u9605\u529f\u80fd\uff0c\u6bcf\u5468\u901a\u8fc7\u5fae\u4fe1\u670d\u52a1\u53f7\u300c\u96c6\u667a\u6591\u56fe\u300d\u63a8\u9001\u8bba\u6587\u4fe1\u606f\u3002\u626b\u63cf\u4e0b\u65b9\u4e8c\u7ef4\u7801\u5373\u53ef\u4e00\u952e\u8ba2\u9605\uff1a<\/span>
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