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arXiv 1504.07334nucl-th
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四维维格纳函数中手征费米子的磁矩、涡旋-自旋耦合和宇称-奇电导率

Magnetic moment, vorticity-spin coupling and parity-odd conductivity of chiral fermions in 4-dimensional Wigner functions

Jian-hua Gao, Qun Wang

摘要:

我们证明了在四维维格纳函数中手征费米子的磁矩和自旋-涡度耦合的出现。在具有时空变化电磁场的线性响应理论中,也可以导出电导率的奇偶奇部分,其再现单回路和硬热或硬稠密回路的结果。所有这些性质表明,四维维格纳函数捕捉全面的物理方面的手征费米子在电磁场中。

英文摘要:

We demonstrate the emergence of the magnetic moment and spin-vorticity coupling of chiral fermions in 4-dimensional Wigner functions. In linear response theory with space-time varying electromagnetic fields, the parity-odd part of the electric conductivity can also be derived which reproduces results of the one-loop and the hard-thermal or hard-dense loop. All these properties show that the 4-dimensional Wigner functions capture comprehensive aspects of physics for chiral fermions in electromagnetic fields.

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