Transverse shear viscosity to entropy density for the general anisotropic black brane in Horava–Lifshitz gravity

May 8, 2019
4 pages
Published in:
  • Indian J.Phys. 94 (2020) 7, 1119-1122
  • Published: Jun 25, 2019
e-Print:
DOI:

Citations per year

202020212022202310
Abstract: (Springer)
In this paper we calculate the ratio of transverse shear viscosity to entropy density for the general anisotropic black brane in Horava-Lifshitz gravity. There is a well-known conjecture that states this ratio should be larger than 14π\frac{1}{4\pi}. The ratio of shear viscosity to entropy density is proportional to the inverse square coupling of quantum thermal field theory,ηs1λ2\frac{\eta }{s} \sim \frac{1}{\lambda^2 }. Especially in QFT with gravity dual the stronger coupling means the shear viscosity per entropy density gets closer to the lower bound of 14π\frac{1}{4\pi}. The KSS bound preserves in the anisotropic scaling model.
Note:
  • 7 pages,to appear in INJP
  • 11.10.Jj
  • 11.10.Wx
  • 11.15.Pg
  • 11.25.Tq
  • Fluid/gravity duality
  • AdS/CFT duality
  • Transverse shear viscosity
  • Green–Kubo formula
  • viscosity
  • entropy