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Moduli and electromagnetic black brane holography

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons20701

Astefanesei,  Dumitru
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Volltexte (frei zugänglich)

1008.3852v4.pdf
(Preprint), 345KB

JHEP2011_021.pdf
(beliebiger Volltext), 544KB

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Zitation

Astefanesei, D., Banerjee, N., & Dutta, S. (2011). Moduli and electromagnetic black brane holography. Journal of High Energy Physics, 2011(02): 021. doi:10.1007/JHEP02(2011)021.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0012-C632-7
Zusammenfassung
We investigate the thermodynamic and hydrodynamic properties of 4-dimensional gauge theories with finite electric charge density in the presence of a constant magnetic field. Their gravity duals are planar magnetically and electrically charged AdS black holes in theories that contain a gauge Chern-Simons term. We present a careful analysis of the near horizon geometry of these black branes at finite and zero temperature for the case of a scalar field non-minimally coupled to the electromagnetic field. With the knowledge of the near horizon data, we obtain analytic expressions for the shear viscosity coefficient and entropy density, and also study the effect of a generic set of four derivative interactions on their ratio. We also comment on the attractor flows of the extremal solutions.