Journal of the Korean Physical Society

pISSN 0374-4884 eISSN 1976-8524


J. Korean Phy. Soc. 2007; 50(1(1)): 21

Published online May 31, 2007

Copyright © The Korean Physical Society.

Viscosity Effects in Hydrodynamics via AdS/CFT

Shin Nakamura and Sang-Jin Sin


We consider holographic descriptions of Bjorken expansion of strongly coupled large-$N_{c}$ ${cal N}=4$ SYM fluid in the presence of shear viscosity. We find that the requirement of the regularity of the dual geometry makes a constraint on the time dependence of the shear viscosity. The constraint is consistent with the time evolution of the shear viscosity obtained by its temperature dependence.

Keywords: RHIC, AdS/CFT, Bjorken expansion, Hydrodynamics