Coherence Current, Coherence Vortex, and the Conservation Law of Coherence

Wei Wang; Mitsuo Takeda

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Coherence Current, Coherence Vortex, and the Conservation Law of Coherence

机译：相干电流，相干涡和相干守恒律

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摘要

Introducing scalar and vector densities for a mutual coherence function, we present a new conservation law for optical coherence of scalar wave fields in the form of a continuity equation. This coherence conservation law provides new insights into topological phenomena for the complex coherence function. Some properties related to the newly introduced coherence vector density, such as a circulating coherence current associated with a coherence vortex, are investigated both theoretically and experimentally for the first time.

机译：引入互相关函数的标量和矢量密度，我们以连续性方程的形式给出了标量波场光学相干的新守恒律。该相干守恒律为复杂的相干函数提供了对拓扑现象的新见解。首次在理论上和实验上研究了与新引入的相干矢量密度有关的一些特性，例如与相干涡相关的循环相干电流。

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来源
《Physical review letters》 |2006年第22期|p.223904.1-223904.4|共4页
作者
Wei Wang; Mitsuo Takeda;
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作者单位

Department of Information and Communication Engineering, Laboratory for Information Photonics and Wave Signal Processing, The University of Electro-Communications, 1-5-1, Chofugaoka, Chofu, Tokyo 182-8585, Japan;

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原文格式 PDF
正文语种 eng
中图分类物理学;
关键词
coherence; singularity theory;

机译：相干性;奇点理论;

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Coherence Current, Coherence Vortex, and the Conservation Law of Coherence

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