Tuesday, April 30, 2013

1304.7481 (Carlos Hoyos et al.)

Lifshitz Hydrodynamics    [PDF]

Carlos Hoyos, Bom Soo Kim, Yaron Oz
We construct the hydrodynamics of quantum field theories with a Lifshitz scaling symmetry. New transport coefficients are allowed by the absence of boost invariance, however, only one is compatible with a local increase of the entropy density. The formulation is applicable, in general, to fluids with an explicit breaking of boost symmetry. We use a Drude model of a strange metal to study the physical effects of the new transport coefficient. It can be measured using electric fields with non-zero gradients, or via the heat production when an external force is turned on. Scaling arguments fix the resistivity to be linear in the temperature.
View original: http://arxiv.org/abs/1304.7481

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