Abstract:
A study is made of the spectrum of elementary excitations of a nonideal Bose gas at nonzero temperatures. Exprcsslons are obtained for the velocities and damping of first and secona sound at low temperatures and also the velocity and damping of ordinary sound in the neighborhood of the Bose condensation point.
Citation:
Yu. A. Tserkovnikov, “Spectrum of elementary excitations of a nonideal Bose gas”, TMF, 4:1 (1970), 119–142; Theoret. and Math. Phys., 4:1 (1970), 720–738
\Bibitem{Tse70}
\by Yu.~A.~Tserkovnikov
\paper Spectrum of elementary excitations of a~nonideal Bose gas
\jour TMF
\yr 1970
\vol 4
\issue 1
\pages 119--142
\mathnet{http://mi.mathnet.ru/tmf4139}
\transl
\jour Theoret. and Math. Phys.
\yr 1970
\vol 4
\issue 1
\pages 720--738
\crossref{https://doi.org/10.1007/BF01246671}
Linking options:
https://www.mathnet.ru/eng/tmf4139
https://www.mathnet.ru/eng/tmf/v4/i1/p119
This publication is cited in the following 1 articles:
V. B. Bobrov, S. A. Trigger, “Structure Factor and Distribution Function of Degenerate Bose Gases Without Anomalous Averages”, J Low Temp Phys, 170:1-2 (2013), 31