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Updated: Sep 1, 2025

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids
Published on: December 4, 2017
Critical dynamics of the superfluid phase transition: Multiloop calculation of the microscopic model
J Honkonen1, M Komarova2, Yu Molotkov3
1Department of Military Technology, National Defence University, Santahaminantie 2, 00860 Helsinki, Finland.
Abstract:
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, and M. Y. Nalimov, Nucl. Phys. B 939, 105 (2019)0550-321310.1016/j.nuclphysb.2018.12.015; Y. A. Zhavoronkov, M. V. Komarova, Y. G. Molotkov, M. Y. Nalimov, and J. Honkonen, Theor. Math. Phys. 200, 1237 (2019)0040-577910.1134/S0040577919080142] 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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