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题名: Shear viscosity from Gauss-Bonnet gravity with a dilaton coupling
作者: 蔡荣根 ;  Nie, Zhang-Yu ;  Ohta, Nobuyoshi ;  Sun, Ya-Wen
刊名: PHYSICAL REVIEW D
出版日期: 2009
卷号: 79, 期号:6, 页码:-
关键词: BLACK-HOLES ;  PLASMA
学科分类: Physics
通讯作者: Cai, RG , Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, POB 2735, Beijing 100190, Peoples R China
部门归属: [Cai, RG; Nie, ZY; Sun, YW] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China; [Nie, ZY; Sun, YW] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China; [Ohta, N] Kinki Univ, Dept Phys, Osaka 5778502, Japan
英文摘要: We calculate the shear viscosity of field theories with gravity duals of Gauss-Bonnet gravity with a nontrivial dilaton using anti-de Sitter/conformal field theory. We find that the dilaton field has a nontrivial contribution to the ratio of shear viscosity over entropy density, and, after imposing a causal constraint for the boundary field theory, the new lower bound 4/25 pi, obtained from pure Gauss-Bonnet gravity, may have a small violation.
资助者: Chinese Academy of Sciences[KJCX3-SYW-N2]; NSFC[10821504, 10525060]; JSPS[20540283]; Japan-U. K. Research Cooperative Program
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000264762500126
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5360
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Cai, Rong-Gen,Nie, Zhang-Yu,Ohta, Nobuyoshi,et al. Shear viscosity from Gauss-Bonnet gravity with a dilaton coupling[J]. PHYSICAL REVIEW D,2009,79(6):-.
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