Holographic RG flows and transport coefficients in Einstein-Gauss-Bonnet-Maxwell theory
Ge, XH; Ling Y(凌意); Ling, Y; Tian, Y; Wu, XN
刊名JOURNAL OF HIGH ENERGY PHYSICS
2012
期号1页码:117
关键词Gauge-gravity correspondence Holography and condensed matter physics (AdS/CMT)
学科分类Physics
DOI10.1007/JHEP01(2012)117
英文摘要We apply the membrane paradigm and the holographic Wilsonian approach to the Einstein-Gauss-Bonnet-Maxwell theory. The transport coefficients for a quark-gluon plasma living on the cutoff surface are derived in a spacetime of charged black brane. Because of the mixing of the Gauss-Bonnet coupling and the Maxwell fields, the vector modes/shear modes of the metric and Maxwell fluctuations turn out to be very difficult to decouple. We firstly evaluate the AC conductivity at a finite cutoff surface by solving the equation of motion numerically, then manage to derive the radial flow of DC conductivity with the use of the Kubo formula. It turns out that our analytical results match the numerical data in low frequency limit very well. The diffusion constant D(u(c)) is also derived in a long wavelength expansion limit. We find it depends on the Gauss-Bonnet coupling as well as the position of the cutoff surface.
收录类别SCI
WOS记录号WOS:000300183300034
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被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224424
专题中国科学院高能物理研究所_理论物理室_期刊论文
中国科学院高能物理研究所_理论物理室
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Ge, XH,Ling Y,Ling, Y,et al. Holographic RG flows and transport coefficients in Einstein-Gauss-Bonnet-Maxwell theory[J]. JOURNAL OF HIGH ENERGY PHYSICS,2012(1):117.
APA Ge, XH,凌意,Ling, Y,Tian, Y,&Wu, XN.(2012).Holographic RG flows and transport coefficients in Einstein-Gauss-Bonnet-Maxwell theory.JOURNAL OF HIGH ENERGY PHYSICS(1),117.
MLA Ge, XH,et al."Holographic RG flows and transport coefficients in Einstein-Gauss-Bonnet-Maxwell theory".JOURNAL OF HIGH ENERGY PHYSICS .1(2012):117.
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