Search Results - "Graça, J. P. Morais"
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Thermodynamic approach to holographic dark energy and the Rényi entropy
Published in The European physical journal. C, Particles and fields (01-10-2018)“…Using the first law of thermodynamics, we propose a relation between the system entropy ( S ) and its IR ( L ) and UV ( Λ ) cutoffs. In addition, applying this…”
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Scalar QNMs for higher dimensional black holes surrounded by quintessence in Rastall gravity
Published in The European physical journal. C, Particles and fields (01-02-2018)“…The spacetime solution for a black hole, surrounded by an exotic matter field, in Rastall gravity, is calculated in an arbitrary d-dimensional spacetime. After…”
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Effects of quantum corrections on the criticality and efficiency of black holes surrounded by a perfect fluid
Published in The European physical journal. C, Particles and fields (01-11-2019)“…We study some properties of the extended phase space of a quantum-corrected Schwarzschild black hole surrounded by a perfect fluid. In particular we…”
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4
Effects of a string cloud on the criticality and efficiency of AdS black holes as heat engines
Published in The European physical journal. C, Particles and fields (01-10-2018)“…We study the black hole thermodynamics in the presence of a string cloud matter distribution, considering a work term due to a variable cosmological “constant”…”
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5
Tsallis holographic dark energy in the Brans–Dicke cosmology
Published in The European physical journal. C, Particles and fields (01-09-2018)“…Using the Tsallis generalized entropy, holographic hypothesis and also considering the Hubble horizon as the IR cutoff, we build a holographic model for dark…”
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6
Joule-Thomson expansion for noncommutative uncharged black holes
Published in Europhysics letters (01-08-2021)“…Abstract In this work we study the Joule-Thomson expansion for uncharged black holes in a noncommutative scenario characterized by a parameter θ , which is…”
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7
Energy Definition and Dark Energy: A Thermodynamic Analysis
Published in Advances in high energy physics (01-01-2018)“…Accepting the Komar mass definition of a source with energy-momentum tensor Tμν and using the thermodynamic pressure definition, we find a relaxed…”
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Thermodynamics and remnants of Kiselev black holes in rainbow gravity
Published in General relativity and gravitation (2022)“…We do a detailed study of the thermodynamics of black holes in rainbow gravity in the framework of the Kiselev metric, taking into account different cosmic…”
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9
Abelian cosmic string in the extended Starobinsky model of gravity
Published in General relativity and gravitation (01-08-2017)“…We analyze numerically the behaviour of the solutions corresponding to an Abelian cosmic string taking into account an extension of the Starobinsky model,…”
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10
Thin-shell wormholes in Rastall gravity
Published in European physical journal plus (01-07-2020)“…We constructed thin-shell wormholes using the well-known “cut and paste” technique for static black holes sourced by an anisotropic fluid within the context of…”
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11
Scalar and spinor QNMs of a black hole with a global monopole in f (R) gravity
Published in General relativity and gravitation (01-04-2016)“…The quasinormal modes for scalar and spinor fields in the background spacetime corresponding to a black hole with a global monopole in f ( R ) gravity are…”
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Generalized entropy formalism and a new holographic dark energy model
Published in Physics letters. B (10-05-2018)“…Recently, the Rényi and Tsallis generalized entropies have extensively been used in order to study various cosmological and gravitational setups. Here, using a…”
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13
Joule-Thomson expansion for quantum corrected AdS-Reissner-Nordstrom black holes in Kiselev spacetime
Published 23-04-2024“…Physical Review D 107, 024045 (2023) In this work we study the inversion temperature associated with the Joule-Thomson expansion from the thermodynamics of…”
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14
The extended phase space thermodynamics of Planck-scale-corrected Reissner-Nordström-anti-de Sitter black hole
Published in Nuclear physics. B (01-11-2021)“…We analyze the effect of Planck-scale modified radiation equation of state on the Reissner-Nodström-anti-de Sitter black hole inspired by Kiselev's ansatz…”
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15
AdS/QCD oddball masses and Odderon Regge trajectory from a twist-five operator approach
Published 26-01-2022“…Phys. Rev. D 105, 026026 (2022) In this work, we consider a massive gauge boson field in AdS$_5$ dual to odd glueball states with twist-5 operator in 4D…”
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16
Joule-Thomson expansion for noncommutative uncharged black holes
Published 02-11-2021“…EPL, 135 (2021) 41002 In this work we study the Joule-Thomson expansion for uncharged black holes in a noncommutative scenario characterized by a parameter…”
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17
Thin-shell wormholes in Rastall gravity
Published 10-07-2020“…Eur. Phys. J. Plus (2020) 135:550 We constructed thin-shell wormholes using the well-known "cut and paste" technique for static black holes sourced by an…”
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18
The third law of thermodynamics, non-extensivity, and energy definition in black hole physics
Published 26-06-2022“…Mod. Phys. Lett. A 37 12, 2250076 (2022) Working in the framework of generalized statistics, the problem of establishing the third law of thermodynamics in the…”
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19
Thermodynamics and remnants of Kiselev black holes in Rainbow gravity
Published 07-06-2021“…We do a detailed study of the thermodynamics of black holes in Rainbow gravity in the framework of the Kiselev metric, taking into account different cosmic…”
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20
Effects of a string cloud on the criticality and efficiency of AdS black holes as heat engines
Published 17-10-2018“…Eur. Phys. J. C (2018) 78: 823 We study the black hole thermodynamics in the presence of a string cloud matter distribution, considering a work term due to a…”
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