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Cai, Rong-Gen; Liu, Yan; Sun, Ya-Wen; Cai, RG , Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, POB 2735, Beijing 100190, Peoples R China
Transport coefficients from extremal Gauss-Bonnet black holes
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
KeywordShear Viscosity Phase-transitions Field-theories String Theory Cft Plasma Thermodynamics Supergravity Gravity
AbstractWe calculate the shear viscosity of strongly coupled field theories dual to Gauss-Bonnet gravity at zero temperature with nonzero chemical potential. We find that the ratio of the shear viscosity over the entropy density is 1/4 pi, which is in accordance with the zero temperature limit of the ratio at nonzero temperatures. We also calculate the DC conductivity for this system at zero temperature and find that the real part of the DC conductivity vanishes up to a delta function, which is similar to the result in Einstein gravity. We show that at zero temperature, we can still have the conclusion that the shear viscosity is fully determined by the effective coupling of transverse gravitons in a kind of theories that the effective action of transverse gravitons can be written into a form of minimally coupled scalars with a deformed effective coupling.
2010
ISSN1126-6708
Issue4Pages:-
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNSFC, China[10535060, 10821504, 10975168]; MSTC, China[2010CB833004]; JSPS ; NSFC, China[10535060, 10821504, 10975168]; MSTC, China[2010CB833004]; JSPS ; NSFC, China[10535060, 10821504, 10975168]; MSTC, China[2010CB833004]; JSPS ; NSFC, China[10535060, 10821504, 10975168]; MSTC, China[2010CB833004]; JSPS
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Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5141
CollectionSCI期刊论文
Corresponding AuthorCai, RG , Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, POB 2735, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Cai, Rong-Gen,Liu, Yan,Sun, Ya-Wen,et al. Transport coefficients from extremal Gauss-Bonnet black holes[J]. JOURNAL OF HIGH ENERGY PHYSICS,2010(4):-.
APA Cai, Rong-Gen,Liu, Yan,Sun, Ya-Wen,&Cai, RG , Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, POB 2735, Beijing 100190, Peoples R China.(2010).Transport coefficients from extremal Gauss-Bonnet black holes.JOURNAL OF HIGH ENERGY PHYSICS(4),-.
MLA Cai, Rong-Gen,et al."Transport coefficients from extremal Gauss-Bonnet black holes".JOURNAL OF HIGH ENERGY PHYSICS .4(2010):-.
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