Annotation
The quasi - classical expansion of the self-congruent potential and the free energy of the anharmonic crystal with many - particle Interaction in the Bogolyubov method is obtained. Quantum corrections proportional to $h^2$ and $h^4$ are calculated, lated.
© 2016 Publisher M.V.Lomonosov Moscow State University
Authors
E.V. Gevorkyan
Department of Quantum Statistics
Department of Quantum Statistics