ITP OpenIR  > SCI期刊论文
Wu, SF; Wang, B2; Ge, XH; Tian, Y1,4,5
Collective diffusion and quantum chaos in holography
Source PublicationPHYSICAL REVIEW D
AbstractWe define a particular combination of charge and heat currents that is decoupled with the heat current. This "heat-decoupled" (HD) current can be transported by diffusion at long distances, when some thermoelectric conductivities and susceptibilities satisfy a simple condition. Using the diffusion condition together with the Kelvin formula, we show that the HD diffusivity can be same as the charge diffusivity and also the heat diffusivity. We illustrate that such mechanism is implemented in a strongly coupled field theory, which is dual to a Lifshitz gravity with the dynamical critical index z = 2. In particular, it is exhibited that both charge and heat diffusivities build the relationship to the quantum chaos. Moreover, we study the HD diffusivity without imposing the diffusion condition. In some homogeneous holographic lattices, it is found that the diffusivity/chaos relation holds independently of any parameters, including the strength of momentum relaxation, chemical potential, or temperature. We also show a counter example of the relation and discuss its limited universality.
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
Indexed BySCIE
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Shanghai Univ, Dept Phys, Shanghai 200444, Peoples R China
2.Yangzhou Univ, Ctr Gravitat & Cosmol, Yangzhou 225009, Jiangsu, Peoples R China
3.Shanghai Jiao Tong Univ, Dept Phys & Astron, Shanghai 200240, Peoples R China
4.Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA
5.Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China
6.Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wu, SF,Wang, B,Ge, XH,et al. Collective diffusion and quantum chaos in holography[J]. PHYSICAL REVIEW D,2018,97(10):106018.
APA Wu, SF,Wang, B,Ge, XH,&Tian, Y.(2018).Collective diffusion and quantum chaos in holography.PHYSICAL REVIEW D,97(10),106018.
MLA Wu, SF,et al."Collective diffusion and quantum chaos in holography".PHYSICAL REVIEW D 97.10(2018):106018.
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