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Ling, Y; Liu, P; Niu, C; Wu, JP; Xian, ZY; Ling, Y (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.
Holographic fermionic system with dipole coupling on Q-lattice
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
Language英语
KeywordTransition Liquid
AbstractWe construct a holographic model for a fermionic system on Q-lattice and compute the spectral function in the presence of a dipole coupling. Both key features of doped Mott insulators, the dynamical generation of a gap and spectral weight transfer, are observed when adjusting the value of the coupling parameter p. Of particular interest is that when the background is in a deep insulating phase, the Mott gap opens much easier with a smaller coupling parameter in comparison with a metallic background. The effects of lattice parameters on the width of the gap Delta/mu are studied and a turning point is observed near the critical regime of metal-insulator transitions of the background. Furthermore, the temperature dependence of the spectral function is studied. Finally, we also observe that the anisotropic Q-lattice generates anisotropic peaks with different magnitudes, indicating that insulating and metallic phases arise in different directions.
2014
ISSN1029-8479
Issue12Pages:149
Subject AreaPhysics
DOI10.1007/JHEP12(2014)149
Indexed BySCI
Funding OrganizationNatural Science Foundation of China [11275208, 11305018, 11178002]; Jiangxi young scientists (Jing Gang Star) program; 555 talent project of Jiangxi Province; Program for Liaoning Excellent Talents in University [LJQ2014123] ; Natural Science Foundation of China [11275208, 11305018, 11178002]; Jiangxi young scientists (Jing Gang Star) program; 555 talent project of Jiangxi Province; Program for Liaoning Excellent Talents in University [LJQ2014123] ; Natural Science Foundation of China [11275208, 11305018, 11178002]; Jiangxi young scientists (Jing Gang Star) program; 555 talent project of Jiangxi Province; Program for Liaoning Excellent Talents in University [LJQ2014123] ; Natural Science Foundation of China [11275208, 11305018, 11178002]; Jiangxi young scientists (Jing Gang Star) program; 555 talent project of Jiangxi Province; Program for Liaoning Excellent Talents in University [LJQ2014123]
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Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15533
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLing, Y (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.
Recommended Citation
GB/T 7714
Ling, Y,Liu, P,Niu, C,et al. Holographic fermionic system with dipole coupling on Q-lattice[J]. JOURNAL OF HIGH ENERGY PHYSICS,2014(12):149.
APA Ling, Y,Liu, P,Niu, C,Wu, JP,Xian, ZY,&Ling, Y .(2014).Holographic fermionic system with dipole coupling on Q-lattice.JOURNAL OF HIGH ENERGY PHYSICS(12),149.
MLA Ling, Y,et al."Holographic fermionic system with dipole coupling on Q-lattice".JOURNAL OF HIGH ENERGY PHYSICS .12(2014):149.
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