Critical temperature and phase diagram for a 2D superfluid Fermi-gas with repulsion

D.V. Efremov (1); M.A. Baranov (2); Moscow; M.S. Mar'enko (1); M.Yu. Kagan (1) ((1) P.L.Kapitza Institute for Physical Problems; Russia); Russia (2) Russian Research Center "Kurchatov Institute"

arxiv: cond-mat/9911167 · v1 · submitted 1999-11-11 · ❄️ cond-mat.supr-con · cond-mat.str-el

Critical temperature and phase diagram for a 2D superfluid Fermi-gas with repulsion

D.V. Efremov (1) , M.S. Mar'enko (1) , M.A. Baranov (2) , M.Yu. Kagan (1) ((1) P.L.Kapitza Institute for Physical Problems , Moscow , Russia (2) Russian Research Center "Kurchatov Institute" , Russia) This is my paper

classification ❄️ cond-mat.supr-con cond-mat.str-el

keywords superfluidanalyzecriticalfermi-gasphasetemperatureapplicationscalculate

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In the framework of a 2D Fermi-gas with short-range repulsive interaction we find the critical temperature of the superfluid phase transition based on Kohn-Luttinger effect, and analyze its dependence on magnetic field. We calculate strong-coupling corrections to the Ginzburg-Landau free energy functional and analyze the staibility of 2D superfluid phases. Possible applications of the results to real systems are discussed.

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Critical temperature and phase diagram for a 2D superfluid Fermi-gas with repulsion

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