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题名: Negative magnetoresistivity in holography
作者: Sun, YW ;  Qing, Y
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2016
期号: 9, 页码:122
关键词: AdS-CFT Correspondence ;  Gauge-gravity correspondence ;  Holography and condensed matter physics (AdS/CMT) ;  Anomalies in Field and String Theories
学科分类: Physics
DOI: http://dx.doi.org/10.1007/JHEP09(2016)122
通讯作者: Sun, YW (reprint author), Univ Autonoma Madrid, Dept Fis Teor, CSIC, C Nicolas Cabrera 13-15, E-28049 Madrid, Spain.
文章类型: Article
英文摘要: Negative magnetoresistivity is a special magnetotransport property associated with chiral anomaly in four dimensional chiral anomalous systems, which refers to the transport behavior that the DC longitudinal magnetoresistivity decreases with increasing magnetic field. We calculate the longitudinal magnetoconductivity in the presence of backreactions of the magnetic field to gravity in holographic zero charge and axial charge density systems with and without axial charge dissipation. In the absence of axial charge dissipation, we find that the quantum critical conductivity grows with increasing magnetic field when the backreaction strength is larger than a critical value, in contrast to the monotonically decreasing behavior of quantum critical conductivity in the probe limit. With axial charge dissipation, we find the negative magnetoresistivity behavior. The DC longitudinal magnetoconductivity scales as B in the large magnetic field limit, which deviates from the exact B 2 scaling of the probe limit result. In both cases, the small frequency longitudinal magnetoconductivity still agrees with the formula obtained from the hydrodynamic linear response theory, even in the large magnetic field limit.
类目[WOS]: Physics, Particles & Fields
收录类别: SCI
项目资助者: European Union [MSCA-IF-2014-659135] ;  National Natural Science Foundation of China [11375247, 11435006] ;  Spanish MINECO's "Centro de Excelencia Severo Ochoa" Programme [SEV-2012-0249]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21531
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Sun, YW,Qing, Y. Negative magnetoresistivity in holography[J]. JOURNAL OF HIGH ENERGY PHYSICS,2016(9):122.
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