Second Quantization and the Spectral Action

Second Quantization and the Spectral Action
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第二量子化和谱作用

DOI:
10.1016/j.geomphys.2021.104285
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发表时间:
2019
期刊:
arXiv: Mathematical Physics
影响因子:
--
通讯作者:
M. Khalkhali
M. Khalkhali
中科院分区:
--
文献类型:
--
作者:
R. Dong;M. Khalkhali

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我们考虑了在化学势存在下谱三元组的玻色子和费米子第二量子化。我们证明了由玻色子和费米子大配分函数定义的冯·诺伊曼熵和吉布斯态的平均能量可以表示为谱作用。结果表明,所有的谱作用系数都可以用修正贝塞尔函数表示。在费米子的情况下,我们证明了当化学势μ接近0时,冯·诺伊曼熵的谱系数可以用黎曼ζ函数表示。这恢复了Chamseddine-Connes-van Suijlekom的结果。
We consider both the bosonic and fermionic second quantization of spectral triples in the presence of a chemical potential. We show that the von Neumann entropy and the average energy of the Gibbs state defined by the bosonic and fermionic grand partition function can be expressed as spectral actions. It turns out that all spectral action coefficients can be given in terms of the modified Bessel functions. In the fermionic case, we show that the spectral coefficients for the von Neumann entropy, in the limit when the chemical potentialμapproaches 0, can be expressed in terms of the Riemann zeta function. This recovers a result of Chamseddine-Connes-van Suijlekom.
DOI: 10.1007/s00220-019-03297-8
发表时间: 2020-01-01
影响因子: 2.4
作者:
Chamseddine, Ali H.;Connes, Alain;van Suijlekom, Walter D.
通讯作者: van Suijlekom, Walter D.