4.5 Article

Cloud of strings in f (R) gravity

Journal

CHINESE PHYSICS C
Volume 42, Issue 6, Pages -

Publisher

IOP PUBLISHING LTD
DOI: 10.1088/1674-1137/42/6/063105

Keywords

modified theories of gravity; black hole thermodynamics; gravitational aspects of string theory

Funding

  1. Conselho Nacional de Desenvolvimento Cienttifico e Tecnologico (CNPq-Brazil) [150384/2017-3]
  2. Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)

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We derive the solution for a spherically symmetric string cloud configuration in a d-dimensional spacetime in the framework of f(R) theories of gravity. We also analyze some thermodynamic properties of the joint black hole-cloud of strings solution. For its Hawking temperature, we found that the dependence of the mass with the horizon is significantly different in both theories. For the interaction of a black hole with thermal radiation, we found that the shapes of the curves are similar, but shifted. Our analysis generalizes some known results in the literature.

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