Kosterlitz-Thouless transition in two-dimensional superfluid

The 2d superfluid (complex $\phi ^4$ theory in two dimensions) undergoes Kosterlitz-Thouless transition driven by phase fluctuations of the superfluid order parameter. We study the transition by Monte Carlo simulations and also develop an analytic approach based on the effective theory for the Golds...

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Bibliographic Details
Main Authors Begun, A. M, Molochkov, A. V, Zarembo, K. L, Zorina, A. V
Format Journal Article
LanguageEnglish
Published 24.09.2024
Subjects
Physics - High Energy Physics - Lattice
Physics - High Energy Physics - Theory
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Summary:The 2d superfluid (complex $\phi ^4$ theory in two dimensions) undergoes Kosterlitz-Thouless transition driven by phase fluctuations of the superfluid order parameter. We study the transition by Monte Carlo simulations and also develop an analytic approach based on the effective theory for the Goldstone mode.
DOI:10.48550/arxiv.2409.15719