Journal
PHYSICAL REVIEW E
Volume 106, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.106.014126
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Funding
- Academy of Finland [343584]
- Foundation for the Advancement of Theoretical Physics and Mathematics BASIS [19-1-1-35-1]
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This article presents the results and method of a three-loop renormalization-group calculation in the model of a Bose gas with a local density-density interaction at finite temperature, using the formalism of time-dependent Green functions. The results provide support for the recent conjecture that the dynamics of the superfluid phase transition belongs to the same universality class as the stochastic model A.
Results and method of a three-loop renormalization-group calculation in the model of a Bose gas with a local density-density interaction in the formalism of time-dependent Green functions at finite temperature are presented. The results provide support to the recent conjecture [J. Honkonen, M. V. Komarova, Y. G. Molotkov, Nalimov, and J. Honkonen, Theor. Math. Phys. 200, 1237 (2019)] that the dynamics of the superfluid phase transition is described by a model which belongs to the same universality class as the stochastic model A.
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