Volume 96, Number 2, October 2011
|Number of page(s)||5|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||05 October 2011|
Viscous friction and inertia of domain walls in chiral p-wave superfluids
Department of Physics, Brock University - St. Catharines, Ontario L2S 3A1, Canada
Accepted: 5 September 2011
Two-fold degeneracy of the ground state in chiral p-wave superfluids or superconductors makes it possible for domain walls separating regions of opposite chirality to exist. In addition to affecting the quasiparticle spectrum in the bulk, the domain walls also carry localized low-energy fermionic excitations, whose spectrum is determined by the phase difference between the domains. In this letter we show how a moving domain wall acquires inertia and friction due to transitions between different quasiparticle states.
PACS: 74.20.-z – Theories and models of superconducting state / 67.30.hp – Interfaces
© EPLA, 2011
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