Viscosity of gauge theory plasma with a chemical potential from AdS/CFT correspondence

Kengo Maeda, Makoto Natsuume, Takashi Okamura

研究成果: Article査読

98 被引用数 (Scopus)

抄録

We compute the strong coupling limit of the shear viscosity for the N=4 super-Yang-Mill theory with a chemical potential. We use the five-dimensional Reissner-Nordström-anti-deSitter black hole, so the chemical potential is the one for the R-charges U(1)R3. We compute the quasinormal frequencies of the gravitational and electromagnetic vector perturbations in the background numerically. This enables one to explicitly locate the diffusion pole for the shear viscosity. The ratio of the shear viscosity η to the entropy density s is η/s=1/(4π) within numerical errors, which is the same result as the one without chemical potential.

本文言語English
論文番号066013
ジャーナルPhysical Review D - Particles, Fields, Gravitation and Cosmology
73
6
DOI
出版ステータスPublished - 2006
外部発表はい

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学
  • 物理学および天文学(その他)

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