Anomalous transport coefficients from Kubo formulas in Holography

Details Anomalous transport coefficients from Kubo formulas in Holography Anomalous transport coefficients from Kubo formulas in Holography

2011-02-22

arxiv.org/abs/1102.4577v3

JHEP 05 (2011) 081

Physics

High Energy Physics

High Energy Physics - Theory

28 pages, 3 figures. Final version published on JHEP

Scientific paper

10.1007/JHEP05(2011)081

In the presence of dense matter quantum anomalies give rise to two new transport phenomena. An anomalous current is generated either by an external magnetic field or through vortices in the fluid carrying the anomalous charge. The associated transport coefficients are the anomalous magnetic and vortical conductivities. Whereas a Kubo formula for the anomalous magnetic conductivity is well known we develop a new Kubo type formula that allows the calculation of the vortical conductivity through a two point function of the anomalous current and the momentum density. We also point out that the anomalous vortical conductivity can be understood as a response to a gravitomagnetic field. We apply these Kubo formulas to a simple Holographic system, the R-charged black hole.

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