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15-07E

15-07E


By Velychko - Posted on 28 December 2015

UDC: 
538.9
PACS: 
05.30.-d

Spectral properties of four-time fermionic Green's functions

A.M. Shvaika

The spectral relations for the four-time fermionic Green's functions are derived in the most general case. The terms which correspond to the zero-frequency anomalies, known before only for the bosonic Green's functions, are separated and their connection with the second cumulants of the Boltzmann distribution function is elucidated. The high-frequency expansions of the four-time fermionic Green's functions are provided for different directions in the frequency space.

Year: 
2015
Pages: 
19
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