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Archive for 十二月, 2007

Also Sprach David Gross

David Gross was invited to our department for 3 days. During one public lecture, one colloquium and some informal chat, there are something he said which may be interesting to hear. One thing to remind you, Gross is a very conservative reductionist, so you may not like some of his words. Welcome to leave your […]

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感谢Phiphy等人建立这个群体博客。我最近不想写什么,偷一下懒,把不得不写的理论所年度考核报告贴上来。报告中一小部分内容或许需要更新一下,但是 我还是保持了原样。另外,报告的目的是总结我自己一年的工作,所以过多地提到了自己的工作,欢迎大家拍砖讨论。关于别人的相关工作,请参见我们科研文章中 的参考文献。 

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Strong CP problem

The strong CP phase is very small and might be zero, the main constraint is from the experiment of neutron electric dipole moment. This term can be explicitly written as , G is the field strength of the gluon field. This term proportional to , so it preserves C and violates P and CP. Therefore, […]

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