A comment on functional integrals and many-body systems

Dalcio K. Dacol

Physica A: Statistical Mechanics and its Applications, 1979, vol. 97, issue 1, 173-180

Abstract: Green's functions for systems of non-interacting particles at T=0 are obtained through ab initio calculations using functional integral algorithms. It is shown in detail how the correct Green's functions are computed and how one recovers the structure of the ground state (which in the usual derivations is the starting point).

Date: 1979
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:97:y:1979:i:1:p:173-180

DOI: 10.1016/0378-4371(79)90088-8

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