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High Energy Physics - Theory

arXiv:2111.10925 (hep-th)
[Submitted on 21 Nov 2021 (v1), last revised 5 Jan 2022 (this version, v2)]

Title:Planar black holes configurations and shear viscosity in arbitrary dimensions with shift and reflection symmetric scalar-tensor theories

Authors:Moisés Bravo-Gaete, M. M. Stetsko
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Abstract:In higher dimensions, we explore planar hairy black hole configurations for a special subclass of the Horndeski theory, defined by two coupling functions depending on the kinetic term and enjoying shift symmetry and reflection symmetry. For this analysis, we derive a set of new solutions, given by time-dependent as well as time independent scalar field configurations. Additionally, we calculate their thermodynamic quantities by using Wald formalism, satisfying the First Law of Thermodynamics as well as a Smarr relation. Together with the above, the Wald procedure allows us to compute the shear viscosity, showing that for a suitable choice of the coupling functions the Kovtun-Son-Starinets bound is violated.
Comments: 11 pages+epsilon, small improvements, accepted for publication Phys. Rev. D
Subjects: High Energy Physics - Theory (hep-th)
Cite as: arXiv:2111.10925 [hep-th]
  (or arXiv:2111.10925v2 [hep-th] for this version)
  https://doi.org/10.48550/arXiv.2111.10925
Related DOI: https://doi.org/10.1103/PhysRevD.105.024038

Submission history

From: Mykola Stetsko [view email]
[v1] Sun, 21 Nov 2021 23:53:22 UTC (19 KB)
[v2] Wed, 5 Jan 2022 03:40:19 UTC (20 KB)
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