2D dilute Bose mixture at low temperatures

Abstract

The thermodynamic and superfluid properties of the dilute two-dimensional binary Bose mixture at low temperatures are discussed. We also considered the problem of the emergence of the long-range order in these systems. All calculations are performed by means of celebrated Popov's path-integral approach for the Bose gas with a short-range interparticle potential.

5+epsilon pages, 2 figures

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• Coupled superfluidity of binary Bose mixtures in two dimensions
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• BKT-paired phase in coupled XY models
• Ground-state properties of dilute one-dimensional Bose gas with three-body repulsion
• Berezinskii-Kosterlitz-Thouless phase transition with Rabi-coupled bosons
• Functional renormalization for repulsive Bose-Bose mixtures at zero temperature
• Large-$N$ expansion for condensation and stability of Bose-Bose mixtures at finite temperatures
• Weakly-interacting Bose-Bose mixtures from the functional renormalisation group
• Ground-state properties of a dilute two-dimensional Bose gas
• Condensation and superfluidity of $SU(N)$ Bose gas
• Magnetoroton in a two-dimensional Bose-Bose mixture
• Flow-based Nonperturbative Simulation of First-order Phase Transitions