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Zapiski Nauchnykh Seminarov LOMI, 1983, Volume 131, Pages 114–117 (Mi znsl4363)  
Stability of the phonon branch of Bose spectrum of the superfluid Fermi system at large momenta

V. A. Podolskii, V. N. Popov
Full-text PDF (206 kB)
Abstract: The phonon branch of Bose spectrum of superfluid Fermi system (Bogoliubov sound) is (investigated at $T=0$ It is shown, that every Bogoliubov sound quant (with arbitrary momentum) is stable and can not decay in several exitations with lower energy.
Document Type: Article
UDC: 536.7
Language: Russian
Citation: V. A. Podolskii, V. N. Popov, “Stability of the phonon branch of Bose spectrum of the superfluid Fermi system at large momenta”, Questions of quantum field theory and statistical physics. Part 4, Zap. Nauchn. Sem. LOMI, 131, "Nauka", Leningrad. Otdel., Leningrad, 1983, 114–117
Citation in format AMSBIB
\Bibitem{PodPop83}
\by V.~A.~Podolskii, V.~N.~Popov
\paper Stability of the phonon branch of Bose spectrum of the superfluid Fermi system at large momenta
\inbook Questions of quantum field theory and statistical physics. Part~4
\serial Zap. Nauchn. Sem. LOMI
\yr 1983
\vol 131
\pages 114--117
\publ "Nauka", Leningrad. Otdel.
\publaddr Leningrad
\mathnet{http://mi.mathnet.ru/znsl4363}
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  • https://www.mathnet.ru/eng/znsl/v131/p114
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