1307.8365 (Adriana Di Dato)

Kaluza-Klein reduction of relativistic fluids and their gravity duals    [PDF]

Adriana Di Dato

We study the hydrodynamics of relativistic fluids with several conserved global charges (i.e., several species of particles) by performing a Kaluza-Klein dimensional reduction of a neutral fluid on a N-torus. Via fluid/gravity correspondence, this allows us to describe the long-wavelength dynamics of black branes with several Kaluza-Klein charges. We obtain the equation of state and transport coefficients of the charged fluid directly from those of the higher-dimensional neutral fluid. We specialize these results for the fluids dual to Kaluza-Klein black branes.

View original: http://arxiv.org/abs/1307.8365