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题名: Holographic lattice in Einstein-Maxwell-dilaton gravity
作者: Ling, Y ;  Niu, C ;  Wu, JP ;  Xian, ZY
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2013
期号: 11, 页码:6
学科分类: Physics
通讯作者: Ling, Y (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.
部门归属: [Ling, Yi; Niu, Chao; Xian, Zhuo-Yu] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China; [Ling, Yi] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Wu, Jian-Pin] Bohai Univ, Sch Math & Phys, Dept Phys, Jinzhou 121013, Peoples R China; [Wu, Jian-Pin] Hanyang Univ, Dept Phys, Seoul 133791, South Korea; [Wu, Jian-Pin] Sogang Univ, Ctr Quantum Spacetime, Seoul 121742, South Korea
英文摘要: 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.
资助者: Natural Science Foundation of China [11275208, 11305018, 11178002]; Jiangxi young scientists (Jing Gang Star) program; 555 talent project of Jiangxi Province; National Research Foundation of Korea (NRF); Korea government (MEST) through the Center for Quantum Spacetime (CQUeST) of Sogang University [2005-0049409]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000326603000001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15247
Appears in Collections:理论物理所2013年知识产出 _期刊论文

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Recommended Citation:
Ling, Y,Niu, C,Wu, JP,et al. Holographic lattice in Einstein-Maxwell-dilaton gravity[J]. JOURNAL OF HIGH ENERGY PHYSICS,2013(11):6.
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