Two-Fluid Model for Anisotropic Superfluids

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Introduction Action Principle Classic Approach Sound Propagation Anisotropy Concept of Classical Approach state formal conservation laws, e.g. ∂v s ∂t + (v s · ∇)v s = −∇ϕ ∂s ∂t + div f = 0 Galilean transformation to reference system v s,0 = 0, e.g. Π ik = Π 0ik + ρv si v sk + v si j 0k + j 0i v sk differential equation of state in superfluid rest-frame de 0 = T ds + ¯µdρ + v n0 dj 0 Two-Fluid Model for Anisotropic Superfluids Carolin Wille
Introduction Action Principle Classic Approach Sound Propagation Anisotropy Goal no dissipation ⇒ energy flux q 0 has certain structure, i.e. no dependence on ’gradient terms’ find an expression for div q 0 read off constraints from the expression div q 0 Two-Fluid Model for Anisotropic Superfluids Carolin Wille
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Two-Fluid Model for Anisotropic Superfluids

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