Search Results - "Sepangi, H R"
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Modified dispersion relations in extra dimensions
Published in Physics letters. B (24-01-2011)“…It has recently been shown that the thermodynamics of a FRW universe can be fully derived using the generalized uncertainty principle (GUP) in extra dimensions…”
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Corrections to the Cardy–Verlinde formula from the modified dispersion relation in extra dimensions
Published in Physics letters. B (05-01-2012)“…The modified dispersion relation as a common feature of all quantum gravity scenarios provides a perturbation framework upon which the black hole…”
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3
Brane-world black hole entropy from modified dispersion relations
Published in Physics letters. B (06-09-2010)“…The entropy of the Reissner–Nördstrom black hole is studied within the context of a brane-world scenario. Such a black hole is a solution of the Einstein field…”
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More on the initial singularity problem in gravity’s rainbow cosmology
Published in General relativity and gravitation (01-12-2016)“…Using a one-dimensional minisuperspace model with a dimensionless ratio E E P l , we study the initial singularity problem at the quantum level for the closed…”
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5
Weyl–Dirac theory predictions on galactic scales
Published in Monthly notices of the Royal Astronomical Society (01-04-2008)“…We consider the Weyl–Dirac theory within the framework of the weak field approximation and show that the resulting gravitational potential differs from that of…”
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6
Superradiant instability and asymptotically AdS hairy black holes in F(R)-charged scalar field theory
Published in General relativity and gravitation (01-06-2020)“…We study the phenomena of superradiance for F ( R )-Maxwell black holes in an AdS space-time. The AdS boundary plays the role of a mirror and provides a…”
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7
Thawing in a coupled quintessence model
Published in General relativity and gravitation (01-10-2016)“…We consider the thawing model in the framework of coupled quintessence model. The effective potential has Z 2 symmetry which is broken spontaneously when the…”
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8
Enhanced roughness of lipid membranes caused by external electric fields
Published in Computational materials science (01-12-2007)“…The behavior of lipid membranes in the presence of an external electric field is studied and used to examine the influence of such fields on membrane…”
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Horava–Lifshitz early universe phase transition beyond detailed balance
Published in The European physical journal. C, Particles and fields (2013)“…The early universe is believed to have undergone a QCD phase transition to hadrons at about 10 μs after the big bang. We study such a transition in the context…”
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10
Worldline deviations of charged spinning particles
Published in Physics letters. B (20-10-2005)“…The geodesic deviation equation is generalized to worldline deviation equations describing the relative accelerations of charged spinning particles in the…”
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11
Generalized uncertainty principle in Bianchi type I quantum cosmology
Published in Physics letters. B (26-07-2007)“…We study a quantum Bianchi type I model in which the dynamical variables of the corresponding minisuperspace obey the generalized Heisenberg algebra. Such a…”
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12
Accelerating universe in f(R) brane gravity
Published in Physics letters. B (28-02-2008)“…We study a 5-dimensional f(R) brane gravity within the framework of scalar-tensor type theories. We show that such a model predicts, for a certain choice of…”
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13
Cosmological QCD phase transition in steady non-equilibrium dissipative Hořava–Lifshitz early universe
Published in Annals of physics (01-07-2014)“…We study the phase transition from quark–gluon plasma to hadrons in the early universe in the context of non-equilibrium thermodynamics. According to the…”
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14
Anisotropic brane gravity with a confining potential
Published in Physics letters. B (24-05-2007)“…We consider an anisotropic brane world with Bianchi type I and V geometries where the mechanism of confining the matter on the brane is through the use of a…”
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15
Lorentz violation and red shift of gravitational waves in brane-worlds
Published in Astrophysics and space science (01-12-2012)“…In this paper we study the speed of gravitational waves in a brane world scenario and show that if the extra dimension is space-like, the speed of the…”
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16
Modified gravity inspired DGP brane cosmology
Published in Physics letters. B (07-12-2006)“…We consider a DGP brane scenario where a scalar field is present on the brane through the introduction of a scalar potential, itself motivated by the notion of…”
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17
Accelerating universe in brane gravity with a confining potential
Published in Physics letters. B (31-08-2006)“…We construct the Einstein field equations on a 4-dimensional brane embedded in an m-dimensional bulk where the matter fields are confined to the brane by means…”
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18
Probabilistic evolutionary process: A possible solution to the problem of time in quantum cosmology and creation from nothing
Published in Physics letters. B (30-03-2009)“…We present a method, which we shall call the probabilistic evolutionary process, based on the probabilistic nature of quantum theory to offer a possible…”
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19
Electric field quench, equilibration, and universal behavior
Published in Physical review. D, Particles, fields, gravitation, and cosmology (15-06-2015)“…We study electric field quench in [scriptN] = 2 strongly coupled gauge theory, using the AdS/CFT correspondence. To do so, we consider the aforementioned…”
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20
Equilibrium and mutual attraction or repulsion of objects supported by surface tension
Published in Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences (15-05-1997)“…A theory is presented to explain known phenomena associated with lightweight objects on the surface of a liquid, and to predict other phenomena. Such objects…”
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