Derives a macroscopic-motion effective Lagrangian for Weyl fermions in 3He-A and uses it to compute equilibrium thermodynamics around integer mass vortices.
In order for the order parameter of the 3He-A-phase to be single-valued,d can no longer be dipole locked withl but instead fulfills d =cos(n1ϕ)ˆx +sin(n1ϕ)ˆy
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Effective Lagrangian for the macroscopic motion of Weyl fermions in $^3$He-A
Derives a macroscopic-motion effective Lagrangian for Weyl fermions in 3He-A and uses it to compute equilibrium thermodynamics around integer mass vortices.