Domain walls in chiral p-wave superconductors: Quasiparticle spectrum and dynamics

Details Domain walls in chiral p-wave superconductors: Quasiparticle spectrum and dynamics Domain walls in chiral p-wave superconductors: Quasiparticle spectrum and dynamics

2011-11-25

arxiv.org/abs/1111.6093v1

Phys. Rev. B 85, 014515 (2012)

Physics

Condensed Matter

Superconductivity

16 pages, 1 figure

Scientific paper

We calculate microscopically the viscous friction coefficient and the effective mass of domain walls separating regions of opposite chirality in p-wave superconductors with k_x\pm ik_y order parameter. The domain wall viscosity and inertia are determined by the transitions between different Bogoliubov quasiparticle states induced by the domain wall motion. As a by-product, we present a detailed analysis of the quasiparticle spectrum, both bound and scattering, in the presence of a general domain wall with an arbitrary phase difference between the domains.

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