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Huang-Yang-Luttinger model: Gaussian dominance and Bose condensation. (English. Russian original) Zbl 1005.82502

Theor. Math. Phys. 121, No. 2, 1550-1555 (1999); translation from Teor. Mat. Fiz. 121, No. 2, 347-352 (1999).
Summary: We prove the Gaussian dominance condition for the Huang-Yang-Luttinger model in the case with an arbitrary chemical potential. Using this condition in the framework of the method of correlation inequalities, we obtain two-sided bounds on the corresponding two-point thermodynamic means. Based on these bounds, we prove the existence of Bose condensation in this model.

MSC:

82B10 Quantum equilibrium statistical mechanics (general)
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References:

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