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Teoreticheskaya i Matematicheskaya Fizika, 1982, Volume 52, Number 3, Pages 431–442 (Mi tmf2568)  
Structure of the mass operator in finite Fermi systems

V. I. Belyak, G. M. Vagradov
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Abstract: The field methods of many-body theory are used to consider the structure of the mass operator in finite Fermi systems. It is shown to have a pole dependence on the energy. Various approximate methods of determining it are discussed. The general properties of the quasiparticle spectrum are investigated on the basis of the obtained form of the mass operator.
Received: 02.05.1981
English version:
Theoretical and Mathematical Physics, 1982, Volume 52, Issue 3, Pages 899–906
DOI: https://doi.org/10.1007/BF01038086
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Language: Russian
Citation: V. I. Belyak, G. M. Vagradov, “Structure of the mass operator in finite Fermi systems”, TMF, 52:3 (1982), 431–442; Theoret. and Math. Phys., 52:3 (1982), 899–906
Citation in format AMSBIB
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\by V.~I.~Belyak, G.~M.~Vagradov
\paper Structure of the mass operator in finite Fermi systems
\jour TMF
\yr 1982
\vol 52
\issue 3
\pages 431--442
\mathnet{http://mi.mathnet.ru/tmf2568}
\mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=692935}
\transl
\jour Theoret. and Math. Phys.
\yr 1982
\vol 52
\issue 3
\pages 899--906
\crossref{https://doi.org/10.1007/BF01038086}
\isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=A1982QL36200010}
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