Building a doped Mott system by holography
Ling Y(凌意); 刘鹏(理); Niu C(牛超); Ling, Y; Liu, P; Niu, C; Wu, JP
刊名PHYSICAL REVIEW D
2015
卷号92期号:8页码:86003
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.92.086003
通讯作者凌意
文章类型Article
英文摘要We construct a holographic model in the framework of Q-lattices whose dual exhibits metal-insulator transitions. By introducing an interacting term between the Q-lattice and the electromagnetic field in bulk geometry, we find such kind of transition can be Mott-like. The evidences are presented as follows. (i) The transition from a metallic phase to an insulating phase occurs when the lattice constant becomes larger. (ii) A hard gap in the insulating phase can be manifestly observed in the optical conductivity. Nevertheless, in the zero temperature limit this model exhibits novel metallic behavior, featured by a gap as well as a zero-frequency mode with tiny spectral weight. It implies that our model is dual to a doped Mott system in one dimension where umklapp scattering is frozen at zero temperature. The similarity between this model and some organic linear chain conductors is briefly discussed.
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
收录类别SCI
WOS记录号WOS:000363015300009
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被引频次:11[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/311005/228765
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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Ling Y,Liu P,Niu C,et al. Building a doped Mott system by holography[J]. PHYSICAL REVIEW D,2015,92(8):86003.
APA 凌意.,刘鹏.,牛超.,Ling, Y.,Liu, P.,...&Wu, JP.(2015).Building a doped Mott system by holography.PHYSICAL REVIEW D,92(8),86003.
MLA 凌意,et al."Building a doped Mott system by holography".PHYSICAL REVIEW D 92.8(2015):86003.
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