{"id":30928,"date":"2021-12-11T21:56:12","date_gmt":"2021-12-11T13:56:12","guid":{"rendered":"https:\/\/swarma.org\/?p=30928"},"modified":"2021-12-11T21:56:12","modified_gmt":"2021-12-11T13:56:12","slug":"%e4%bb%80%e4%b9%88%e6%98%af%e6%9c%89%e6%95%88%e5%9c%ba%e8%ae%ba-%e9%9b%86%e6%99%ba%e7%99%be%e7%a7%91","status":"publish","type":"post","link":"https:\/\/swarma.org\/?p=30928","title":{"rendered":"\u4ec0\u4e48\u662f\u6709\u6548\u573a\u8bba | \u96c6\u667a\u767e\u79d1"},"content":{"rendered":"
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\u5728\u7269\u7406\u5b66\u4e2d\uff0c\u6709\u6548\u573a\u8bba Effective field theory\u662f\u4e00\u79cd\u6709\u6548\u7684\u8fd1\u4f3c\u7406\u8bba\uff0c\u7528\u4e8e\u57fa\u7840\u7684\u7269\u7406\u7406\u8bba\uff0c\u6bd4\u5982\u91cf\u5b50\u573a\u8bba\u6216\u8005\u7edf\u8ba1\u529b\u5b66\u6a21\u578b\u7406\u8bba\u3002\u6709\u6548\u573a\u8bba\u7528\u9002\u5f53\u7684\u81ea\u7531\u5ea6\u6765\u63cf\u8ff0\u7279\u5b9a\u8ddd\u79bb\u5c3a\u5ea6\u6216\u80fd\u91cf\u5c3a\u5ea6\u4e0b\u53d1\u751f\u7684\u7269\u7406\u73b0\u8c61\uff0c\u800c\u5ffd\u7565\u5728\u8f83\u5c0f\u5c3a\u5ea6\u4e0a\u7684\u5b50\u7ed3\u6784\u548c\u81ea\u7531\u5ea6(\u6216\u8005\u76f8\u4eff\u5730\uff0c\u5728\u8f83\u9ad8\u7684\u80fd\u91cf\u4e0a)\u3002\u76f4\u89c2\u5730\u8bf4\uff0c\u4e00\u4e2a\u4eba\u53ef\u4ee5\u7528\u8f83\u77ed\u7684\u957f\u5ea6\u5c3a\u5ea6\u5bf9\u6f5c\u5728\u7406\u8bba\u7684\u7ed3\u679c\u53d6\u5e73\u5747\uff0c\u4ece\u800c\u5f97\u51fa\u4e00\u4e2a\u5728\u8f83\u957f\u957f\u5ea6\u5c3a\u5ea6\u4e0b\u7684\u7b80\u5316\u6a21\u578b\u3002\u5f53\u7814\u7a76\u8005\u611f\u5174\u8da3\u7684\u5c3a\u5ea6\u4e0e\u76f8\u4e92\u4f5c\u7528\u7684\u57fa\u672c\u5c3a\u5ea6\u5b58\u5728\u8f83\u5927\u5dee\u5f02\u65f6\uff0c\u6709\u6548\u573a\u8bba\u662f\u6700\u5b9e\u7528\u7684\u3002\u6709\u6548\u573a\u8bba\u5df2\u7ecf\u5728\u7c92\u5b50\u7269\u7406\u5b66\u3001\u7edf\u8ba1\u529b\u5b66\u3001\u51dd\u805a\u6001\u7269\u7406\u5b66\u3001\u5e7f\u4e49\u76f8\u5bf9\u8bba\u548c\u6d41\u4f53\u529b\u5b66\u4e2d\u5f97\u5230\u4e86\u5e94\u7528\u3002\u5b83\u4eec\u7b80\u5316\u4e86\u8ba1\u7b97\uff0c\u5e76\u53ef\u4ee5\u5904\u7406\u8017\u6563\u548c\u8f90\u5c04\u6548\u5e94\u3002<\/span>
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\u76ee\u524d\uff0c\u6709\u6548\u573a\u8bba\u662f\u5728\u91cd\u6574\u5316\u7fa4 Renormalization group\uff08RG\uff09\u7684\u80cc\u666f\u4e0b\u8ba8\u8bba\u7684\uff0c\u91cd\u6574\u5316\u7fa4\u4f7f\u77ed\u8ddd\u79bb\u81ea\u7531\u5ea6\u7684\u79ef\u5206\u8fc7\u7a0b\u53d8\u5f97\u7cfb\u7edf\u5316\u3002\u5c3d\u7ba1\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u591f\u5177\u4f53\uff0c\u65e0\u6cd5\u5b9e\u9645\u6784\u5efa\u6709\u6548\u573a\u8bba\uff0c\u4f46\u901a\u8fc7RG\u5206\u6790\uff0c\u5bf9\u5176\u6709\u7528\u6027\u7684\u603b\u4f53\u7406\u89e3\u53d8\u5f97\u6e05\u6670\u3002\u901a\u8fc7\u5bf9\u5bf9\u79f0\u6027\u7684\u5206\u6790\uff0c\u8be5\u65b9\u6cd5\u4e5f\u4e3a\u6784\u9020\u6709\u6548\u573a\u8bba\u7684\u4e3b\u8981\u6280\u672f\u63d0\u4f9b\u4e86\u4f9d\u636e\u3002\u5982\u679c\u5fae\u89c2\u7406\u8bba\u4e2d\u53ea\u6709\u4e00\u4e2a\u8d28\u91cf\u5c3a\u5ea6M\uff0c\u56e0\u6b64\uff0c\u6709\u6548\u573a\u8bba\u53ef\u4ee5\u770b\u4f5c\u662f1\/M\u7684\u5c55\u5f00\u5f0f\u3002\u5efa\u7acb\u7cbe\u786e\u52301\/M\u5e42\u6b21\u7684\u6709\u6548\u573a\u7406\u8bba\u9700\u8981\u57281\/M\u9636\u5c55\u5f00\u7684\u6bcf\u4e00\u9636\u4e0a\u90fd\u6709\u4e00\u7ec4\u65b0\u7684\u81ea\u7531\u53c2\u6570\u3002\u8fd9\u79cd\u65b9\u6cd5\u5bf9\u4e8e\u6563\u5c04\u6216\u5176\u4ed6\u6700\u5927\u52a8\u91cf\u6807\u5ea6k\u6ee1\u8db3\u6761\u4ef6k\/M\u226a1\u7684\u8fc7\u7a0b\u662f\u6709\u7528\u7684\u3002\u7531\u4e8e\u6709\u6548\u573a\u8bba\u5728\u5c0f\u5c3a\u5ea6\u4e0b\u662f\u65e0\u6548\u7684\uff0c\u6240\u4ee5\u5b83\u4eec\u4e0d\u5fc5\u662f\u53ef\u91cd\u6574\u5316\u7684\u3002\u4e8b\u5b9e\u4e0a\uff0c\u968f\u7740\u9636\u6b21\u5347\u9ad8\uff0c\u6709\u6548\u573a\u8bba\u8981\u6c42\u7684\u53c2\u6570\u6570\u76ee\u4e0d\u65ad\u589e\u52a0\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u901a\u5e38\u4e0d\u50cf\u53ea\u9700\u8981\u4e24\u4e2a\u53c2\u6570\u5373\u53ef\u91cd\u6574\u5316\u7684\u91cf\u5b50\u7535\u52a8\u529b\u5b66\u90a3\u6837\u53ef\u91cd\u6574\u5316\u3002<\/span>
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\u5e7f\u4e49\u76f8\u5bf9\u8bba General relativity\u672c\u8eab\u6709\u671b\u6210\u4e3a\u5b8c\u6574\u7684\u91cf\u5b50\u5f15\u529b\u7406\u8bba\u7684\u4f4e\u80fd\u6709\u6548\u573a\u8bba\uff0c\u5982\u5f26\u8bba\u6216\u56de\u5708\u91cf\u5b50\u91cd\u529b\u7406\u8bba\u3002\u81a8\u80c0\u5c3a\u5ea6\u662f\u666e\u6717\u514b\u8d28\u91cf\u3002<\/span><\/p>\n


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