Misc,

Hall Viscosity and Electromagnetic Response

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(2011)cite arxiv:1109.2651 Comment: 4 pages, 1 figure.

Abstract

We show that, for Galilean invariant quantum Hall states, the Hall viscosity appears in the electromagnetic response at finite wave numbers q. In particular, the leading q dependence of the Hall conductivity at small q receives a contribution from the Hall viscosity. The coefficient of the q^2 term in the Hall conductivity is universal in the limit of strong magnetic field.

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