Averaging thermodynamic quantities over pairing fluctuations

Discrepancies in BCS theory results for finite Fermi systems with exact values of thermodynamic quantities are eliminated by means of averaging over pairing fluctuations. A form of the averaging function is proposed and its parameters are considered.

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Bibliographic Details
Published in:Bulletin of the Russian Academy of Sciences. Physics 2014-07, Vol.78 (7), p.621-625
Main Authors: Vlasnikov, A. K., Lunyov, A. V., Mikhajlov, V. M.
Format: Article
Language:English
Subjects:
BCS theory
Hadrons
Heavy Ions
Nuclear Physics
Physics
Physics and Astronomy
Proceedings of the International Conference “Nuclei-2013: Fundamental Problems and Applications of Nuclei Physics” (LXIII International Meeting on Nuclear Spectroscopy and the Structure of Atomic Nuclei)
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Description
Summary:Discrepancies in BCS theory results for finite Fermi systems with exact values of thermodynamic quantities are eliminated by means of averaging over pairing fluctuations. A form of the averaging function is proposed and its parameters are considered.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873814070259