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Thermoelectric conductivities, shear viscosity, and stability in an anisotropic linear axion model

Title
Thermoelectric conductivities, shear viscosity, and stability in an anisotropic linear axion model
Author
신상진
Issue Date
2015-11
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v. 92, NO 10, Page. 5-19
Abstract
We study thermoelectric conductivities and shear viscosities in a holographically anisotropic model, which is dual to a spatially anisotropic N = 4 super-Yang-Mills theory at finite chemical potential. Momentum relaxation is realized through perturbing the linear axion field. Ac conductivity exhibits a coherent/incoherent metal transition. Deviations from the Wiedemann-Franz law are also observed in our model. The longitudinal shear viscosity for prolate anisotropy violates the bound conjectured by Kovtun-Son-Starinets. We also find that thermodynamic and dynamical instabilities are not always equivalent by examining the Gubser-Mitra conjecture.
URI
https://journals.aps.org/prd/abstract/10.1103/PhysRevD.92.106005http://hdl.handle.net/20.500.11754/28776
ISSN
1550-7998; 1550-2368
DOI
10.1103/PhysRevD.92.106005
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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