Use of temperature-green functions for calculations of second-order susceptibilities

J.H. Collet

Physica A: Statistical Mechanics and its Applications, 1983, vol. 121, issue 1, 85-91

Abstract: We show that the technique of analytical continuation based on Green functions can be extended to the calculation of second-order susceptibilities of quantum systems at thermodynamical equilibrium. Second-order susceptibilities calculations are therefore unified in the framework of the standard diagrammatic technique at nonzero temperature, usually employed in quantum statistical mechanics and solid state physics.

Date: 1983
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:121:y:1983:i:1:p:85-91

DOI: 10.1016/0378-4371(83)90243-1

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