Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2011-09-13
Phys.Rev.Lett. 108 (2012) 066805
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
4 pages, 1 figure
Scientific paper
10.1103/PhysRevLett.108.066805
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.
Hoyos Carlos
Son Dam Thanh
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