Negative magnetoresistivity in holography

doi:http://dx.doi.org/10.1007/JHEP09(2016)122

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	Negative magnetoresistivity in holography
	Sun, YW ; Qing, Y
刊名	JOURNAL OF HIGH ENERGY PHYSICS
	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
DOI	http://dx.doi.org/10.1007/JHEP09(2016)122
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.
学科主题	Physics
语种	英语
资助机构	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]
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/23228]
专题	理论物理研究所_理论物理所1978-2010年知识产出
作者单位	1.Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China 2.Univ Autonoma Madrid, Dept Fis Teor, CSIC, C Nicolas Cabrera 13-15, E-28049 Madrid, Spain
推荐引用方式 GB/T 7714	Sun, YW,Qing, Y. Negative magnetoresistivity in holography[J]. JOURNAL OF HIGH ENERGY PHYSICS,2016(9):122.
APA	Sun, YW,&Qing, Y.(2016).Negative magnetoresistivity in holography.JOURNAL OF HIGH ENERGY PHYSICS(9),122.
MLA	Sun, YW,et al."Negative magnetoresistivity in holography".JOURNAL OF HIGH ENERGY PHYSICS .9(2016):122.