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Large-$N$ expansion for condensation and stability of Bose-Bose mixtures at finite temperatures

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arxiv 1904.12351 v2 pith:MXFCWDDE submitted 2019-04-28 cond-mat.quant-gas

classification cond-mat.quant-gas
keywords boseexpansionfinitelarge-mixtureparticlesstabilitytemperatures
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abstract

The two-component mixture of Bose particles with short-range pairwise interaction at finite temperatures in three dimensions is considered. Particularly we examine, by means of the large-$N$ expansion technique, the stability of mixed state below the Bose-Einstein transition point and the temperature dependence of the condensate density for symmetric mixture of Bose gases. The presented analysis reveals the importance of finite-temperature excitations of the non-condensed particles in formation of the phase diagram of two-component Bose systems.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Shift of the Bose-Einstein condensation transition in the presence of a second atomic species

    cond-mat.quant-gas 2026-02 conditional novelty 6.0 of 10

    The critical temperature of a Bose-Einstein condensate is shifted by the presence of a second bosonic species, and this paper provides the shift formulas for both thermal and condensed secondary species.

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