题 目： Universally valid Heisenberg Uncertainty relation

报告人：Professor Kazuo Fujikawa

单位：Visiting scientist at RIKEN in Japan

时 间：2012年6月25日(星期一)下午1:30

地 点： 中心教学楼701   

应best365平台经理葛墨林院士邀请，K.Fujikawa教授自6月18日开始在best365官网登录入口进行为期一周的访问和交流。Fujikawa教授是best365平台拟引进的兼职教授，未来3年中将每年在best365注册进行为期3个月以上的科研和教学工作。

报告摘要：
The original formulation of the uncertainty relation by Heisenberg, which is based on a thought experiment with an emphasis on measurement processes, lacked a simple mathematical basis compared to the widely accepted relations of Kennard and Robertson. In fact, a naive form of the Heisenberg-type relation has been recently invalidated by experiment. On the other hand, the analysis of measurement processes was missing in the relations of Kennard and Robertson. In this paper we reformulate the Heisenberg uncertainty relation in such a manner that it incorporates both of the intrinsic quantum fluctuations and the effects of measurement, and yet with the same mathematical basis as the relations of Kennard and Robertson and thus universally valid. This relation, which assumes the form $/Delta x/Delta p/sim /hbar$ (instead of $/hbar/2$) when written in a popular notation, is regarded as a combination of the past works on the uncertainty relation by Arthurs and Kelly, who emphasized the role of measurement apparatus, and by Ozawa who clarified the mathematical structure.

简历：
1965年毕业于东京大学理学部物理学系。
1970年在Princeton得到博士学位。
1983年任广岛大学理论物理学研究所教授，然后又在京都大学基础物理学研究所和东京大学理学部物理学系任教授，2004年4月开始任日本大学教授。

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