Volume 114, Number 1, April 2016
|Number of page(s)||6|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||03 May 2016|
The Hall viscosity of a two-orbital chiral superconductor Sr2RuO4
Department of Physics, Faculty of Sciences, University of Isfahan - 81744, Isfahan, Iran
Received: 5 November 2015
Accepted: 20 April 2016
By using the linear response theory in the Matsubara formalism, the Hall viscosity of a two-orbital superconductor in the presence of a viscoelastic magnetic field is calculated. For a strontium ruthenate superconductor subjected to an external velocity, our calculations at zero temperature show the existence of a topological phase transition and the change in the van Hove singularities due to the variation of the Fermi surface. The deformed Brillouin zone carries two kinds of momentum fluxes in Sr2RuO4. This modification corresponds to a chiral-nonchiral transition for the edge states.
PACS: 74.25.F- – Transport properties / 73.43.Cd – Theory and modeling
© EPLA, 2016
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