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Holographic lattice in Einstein-Maxwell-dilaton gravity
Ling Y(凌意); Niu C(牛超); Ling, Y; Niu, C; Wu, JP; Xian, ZY;冼卓宇
2013
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号11页码:6
摘要We construct an ionic lattice background in the framework of Einstein-Maxwell-dilaton theory in four dimensional space time. The optical conductivity of the dual field theory on the boundary is investigated. Due to the lattice effects, we find the imaginary part of the conductivity is manifestly suppressed in the zero frequency limit, while the DC conductivity approaches a finite value such that the previous delta function reflecting the translation symmetry is absent. Such a behavior can be exactly fit by the Drude law at low frequency. Moreover, we find that the modulus of the optical conductivity exhibits a power-law behavior at intermediate frequency regime. Our results provides further support for the universality of such power-law behavior recently disclosed in Einstein-Maxwell theory by Horowitz, Santos and Tong.
关键词Holography and condensed matter physics (AdS/CMT) Gauge-gravity correspondence
学科领域Physics
DOI10.1007/JHEP11(2013)006
收录类别SCI
WOS记录号WOS:000326603000001
引用统计
被引频次:63[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/311005/224377
专题理论物理室
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Ling Y,Niu C,Ling, Y,et al. Holographic lattice in Einstein-Maxwell-dilaton gravity[J]. JOURNAL OF HIGH ENERGY PHYSICS,2013(11):6.
APA 凌意,牛超,Ling, Y,Niu, C,Wu, JP,&Xian, ZY;冼卓宇.(2013).Holographic lattice in Einstein-Maxwell-dilaton gravity.JOURNAL OF HIGH ENERGY PHYSICS(11),6.
MLA 凌意,et al."Holographic lattice in Einstein-Maxwell-dilaton gravity".JOURNAL OF HIGH ENERGY PHYSICS .11(2013):6.
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