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cond-mat.stat-mech1998
On the 'Strong-Coupling' Generalization of the Bogoliubov Model
A. Yu. Cherny, A. A. Shanenko
A generalized Bogoliubov model of the Bose gas in the ground state is proposed which properly takes into account both the long-range and short-range spatial boson correlations. It…
cond-mat1998
Large Bipolaron in a Polaron-Gas Background
M. A. Smondyrev, A. A. Shanenko, J. T. Devreese
A criterion, proposed by the present authors, is used to derive numerical results for the stability of a large bipolaron embedded in a polaron gas. The main conclusion is that an i…