Abstract
We report weak-coupling numerical calculations of the order parameter and the free energy of isolated vortices in superfluid3He in the framework of the quasiclassical theory of superfluid Fermi-liquids. Unlike earlier work with the Ginzburg-Landau theory, our results are not restricted to the vicinity ofT c. We show that Fermi-liquid effects play an important role at lower temperatures. It appears there is a transition from the double core vortex to an A-phase-core vortex at the vapor pressure just above 0.5Tc.
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Fogelström, M., Kurkijärvi, J. Quasiclassical theory of vortices in3He-B. J Low Temp Phys 98, 195–226 (1995). https://doi.org/10.1007/BF00753614
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DOI: https://doi.org/10.1007/BF00753614