Calculation of Surface Energies in A and B Phases of 3He
In superfluid 3He two rather different kinds of surfaces exist: firstly the interface between two different but coexisting phases — typically the A and B phases at TAB — and secondly the interface between a liquid phase and a solid (or perhaps the vapour). The surface energies at these interfaces are important in phase nucleation, phase stability in small geometries, equilibrium textures and dynamical boundary conditions. Here we concentrate on the surface energies relevant to phase nucleation, and in particular to the problem of nucleating the B phase on cooling. Many authors1,2,3 have considered the latter three applications, and we present a few additional remarks here.
KeywordsDynamical Boundary Condition Phase Nucleation Strong Coupling Effect Bulk Free Energy Weak Coupling Approximation
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