Search Results - "da Rocha, Roldao"
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Black hole acoustics in the minimal geometric deformation of a de Laval nozzle
Published in The European physical journal. C, Particles and fields (01-05-2017)“…The correspondence between sound waves, in a de Laval propelling nozzle, and quasinormal modes emitted by brane-world black holes deformed by a 5D bulk Weyl…”
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2
Stability of the graviton Bose–Einstein condensate in the brane-world
Published in Physics letters. B (10-12-2016)“…We consider a solution of the effective four-dimensional Einstein equations, obtained from the general relativistic Schwarzschild metric through the principle…”
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3
Gravitational decoupling of generalized Horndeski hybrid stars
Published in The European physical journal. C, Particles and fields (2022)“…Gravitational decoupled compact polytropic hybrid stars are here addressed in generalized Horndeski scalar-tensor gravity. Additional physical properties of…”
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4
MGD Dirac Stars
Published in Symmetry (Basel) (01-04-2020)“…The method of geometric deformation (MGD) is here employed to study compact stellar configurations, which are solutions of the effective Einstein–Dirac coupled…”
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5
Gravitational decoupling and superfluid stars
Published in The European physical journal. C, Particles and fields (01-09-2021)“…The gravitational decoupling is applied to studying minimal geometric deformed (MGD) compact superfluid stars, in covariant logarithmic scalar gravity on fluid…”
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Gravitational decoupling, hairy black holes and conformal anomalies
Published in The European physical journal. C, Particles and fields (01-02-2022)“…Hairy black holes in the gravitational decoupling setup are studied from the perspective of conformal anomalies. Fluctuations of decoupled sources can be…”
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7
AdS/QCD duality and the quarkonia holographic information entropy
Published in Physics letters. B (10-01-2018)“…Bottomonium and charmonium, representing quarkonia states, are scrutinized under the point of view of the information theory, in the AdS/QCD holographic setup…”
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8
Configurational entropy of anti-de Sitter black holes
Published in Physics letters. B (10-04-2017)“…Recent studies indicate that the configurational entropy is an useful tool to investigate the stability and (or) the relative dominance of states for diverse…”
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9
MGD-decoupled black holes, anisotropic fluids and holographic entanglement entropy
Published in The European physical journal. C, Particles and fields (01-09-2020)“…The holographic entanglement entropy (HEE) is investigated for a black hole under the minimal geometric deformation (MGD) procedure, created by gravitational…”
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10
GUP black hole remnants in quadratic gravity
Published in The European physical journal. C, Particles and fields (01-05-2020)“…The Hawking radiation of static, spherically symmetric, asymptotically flat solutions in quadratic gravity is here scrutinized, in the context of the…”
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11
Configurational entropy of glueball states
Published in Physics letters. B (10-02-2017)“…The configurational entropy of glueball states is calculated using a holographic description. Glueball states are represented by a supergravity dual picture,…”
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12
Thermal dissociation of heavy mesons and configurational entropy
Published in Physics letters. B (10-12-2018)“…We study the dissociation of heavy vector mesons in a thermal medium from the point of view of the configurational entropy. Bottomonium and charmonium vector…”
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13
Spacetime instability due to quantum gravity
Published in The European physical journal. C, Particles and fields (01-06-2019)“…We show that quantum gravity yields exponentially growing gravitational waves. Without a mechanism to stop these modes from growing, the universe would go…”
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14
Information-entropic analysis of Korteweg–de Vries solitons in the quark–gluon plasma
Published in Physics letters. B (10-11-2017)“…Solitary waves propagation of baryonic density perturbations, ruled by the Korteweg–de Vries equation in a mean-field quark–gluon plasma model, are…”
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15
Unveiling a spinor field classification with non-Abelian gauge symmetries
Published in Physics letters. B (10-05-2018)“…A spinor fields classification with non-Abelian gauge symmetries is introduced, generalizing the U(1) gauge symmetries-based Lounesto's classification. Here, a…”
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16
Torsion axial vector and Yvon-Takabayashi angle: zitterbewegung, chirality and all that
Published in The European physical journal. C, Particles and fields (01-03-2018)“…We consider propagating torsion as a completion of gravitation in order to describe the dynamics of curved-twisted space-times filled with Dirac spinorial…”
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17
Questing mass dimension 1 spinor fields
Published in The European physical journal. C, Particles and fields (18-06-2015)“…This work deals with new classes of spinors of mass dimension 1 in Minkowski spacetime. In order to accomplish it, Lounesto’s classification scheme and the…”
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18
Flag-dipole and flagpole spinor fluid flows in Kerr spacetimes
Published in Physics of atomic nuclei (01-03-2017)“…Flagpole and flag-dipole spinors are particular classes of spinor fields that has been recently used in different branches of theoretical physics. In this…”
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19
Non-existence of rest-frame spin-eigenstate spinors in their own electrodynamics
Published in The European physical journal. C, Particles and fields (01-05-2018)“…We assume a physical situation where gravity with torsion is neglected for an electrodynamically self-interacting spinor that will be taken in its rest-frame…”
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20
Entropic information for travelling solitons in Lorentz and CPT breaking systems
Published in Annals of physics (01-08-2015)“…In this work we group four research topics apparently disconnected, namely solitons, Lorentz symmetry breaking, supersymmetry, and entropy. Following a recent…”
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