Causal hydrodynamics of gauge theory plasmas from AdS/CFT duality

Details Causal hydrodynamics of gauge theory plasmas from AdS/CFT duality Causal hydrodynamics of gauge theory plasmas from AdS/CFT duality

2007-12-18

arxiv.org/abs/0712.2916v6

Phys.Rev.D77:066014,2008; Erratum-ibid.D78:089902,2008

Physics

High Energy Physics

High Energy Physics - Theory

20 pages, ReVTeX4; v3: the sound mode results for SAdS_{4,7} added, an early interpretation based only on the shear mode chang

Scientific paper

10.1103/PhysRevD.77.066014

We study causal hydrodynamics (Israel-Stewart theory) of gauge theory plasmas from the AdS/CFT duality. Causal hydrodynamics requires new transport coefficients (relaxation times) and we compute them for a number of supersymmetric gauge theories including the N=4 SYM. However, the relaxation times obtained from the "shear mode" do not agree with the ones from the "sound mode," which implies that the Israel-Stewart theory is not a sufficient framework to describe the gauge theory plasmas.

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