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Related papers: Vaidya Spacetime in Massive Gravity's Rainbow

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This work is devoted to study the thermodynamic behavior of photon--like particles within the \textit{rainbow} gravity formalism. To to do this, we chose two particular ansatzs to accomplish our calculations. First, we consider a dispersion…

General Relativity and Quantum Cosmology · Physics 2023-08-15 A. A. Araújo Filho , J. Furtado , H. Hassanabadi , J. A. A. S. Reis

Motivated by the energy dependent metric in gravity's rainbow, we will propose a new kind of energy dependent noncommutative geometry. It will be demonstrated that like gravity's rainbow, this new noncommutative geometry is described by an…

General Relativity and Quantum Cosmology · Physics 2018-01-09 Mir Faizal , R. G. G. Amorim , S. C. Ulhoa

In this note we review the problem of time delay of photons propagating in a spacetime with a metric that explicitly depends on the energy of the particles (Gravity-Rainbow approach). We show that corrections due to this approach -- which…

General Relativity and Quantum Cosmology · Physics 2008-11-26 A. F. Grillo , E. Luzio , F. Mendez

In this paper, we present charged dilatonic black holes in gravity's rainbow. We study geometric and thermodynamic properties of black hole solutions. We also investigate the effects of rainbow functions on different thermodynamic…

High Energy Physics - Theory · Physics 2016-06-22 S. H. Hendi , Mir Faizal , B. Eslam Panah , S. Panahiyan

In this paper, we investigate thermodynamical structure of dyonic black holes in the presence of gravity's rainbow. We confirm that for super magnetized and highly pressurized scenarios, the number of black holes' phases is reduced to a…

General Relativity and Quantum Cosmology · Physics 2018-12-05 S. Panahiyan , S. H. Hendi , N. Riazi

In this paper we present a construction of effective cosmological models which describe the propagation of a massive quantum scalar field on a quantum anisotropic cosmological spacetime. Each obtained effective model is represented by a…

General Relativity and Quantum Cosmology · Physics 2017-03-21 Mehdi Assanioussi , Andrea Dapor

In this paper, we deform the thermodynamics of a BTZ black hole from rainbow functions in gravity's rainbow. The rainbow functions will be motivated from results in loop quantum gravity and Noncommutative geometry. It will be observed that…

General Physics · Physics 2017-05-10 Salwa Alsaleh

In this paper, we study the various cylindrical solutions (cosmic strings) in gravity's rainbow scenario. In particular, we calculate the gravitational field equations corresponding to energy-dependent background. Further, we discuss the…

General Relativity and Quantum Cosmology · Physics 2017-08-03 Davood Momeni , Sudhaker Upadhyay , Yerlan Myrzakulov , Ratbay Myrzakulov

Violation of Lorentz invariancy in the high energy quantum gravity motivates one to consider an energy dependent spacetime with massive deformation of standard general relativity. In this paper, we take into account an energy dependent…

General Relativity and Quantum Cosmology · Physics 2017-04-07 S. H. Hendi , B. Eslam Panah , S. Panahiyan

We re-examine a recently proposed scenario where the deformed dispersion relations associated with a flow of the spectral dimension to a UV value of 2 leads to a scale-invariant spectrum of cosmological fluctuations, without the need for…

General Relativity and Quantum Cosmology · Physics 2015-06-16 Giovanni Amelino-Camelia , Michele Arzano , Giulia Gubitosi , Joao Magueijo

Motivated by the wide applications of BTZ black holes and interesting results of gravity's rainbow, we consider three dimensional rainbow solutions and investigate their thermodynamic properties. In addition to investigate black holes…

General Relativity and Quantum Cosmology · Physics 2016-07-01 Seyed Hossein Hendi

We focus on dRGT massive gravity in spherical symmetry in the limit of small graviton mass. Firstly we examine the minimal model. This does not exhibit a Vainshtein mechanism in spherical symmetry, but one may still ask what happens for…

High Energy Physics - Theory · Physics 2024-09-30 Emma Albertini , Jan Kożuszek , Toby Wiseman

We extend Vaidya's algorithm for the description of a central mass losing or gaining energy due to electromagnetic-type radiation (`null dust') to the case of arbitrary radial corpuscular radiation. We also demonstrate the remarkable…

General Relativity and Quantum Cosmology · Physics 2020-11-19 Eduard G. Mychelkin , Maxim A. Makukov

Following an earlier study regarding Gauss-Bonnet-Maxwell black holes in the presence of gravity's rainbow [S. H. Hendi and M. Faizal, Phys. Rev. D 92, 044027 (2015)], in this paper, we will consider all constants as energy dependent ones.…

General Relativity and Quantum Cosmology · Physics 2016-07-25 Seyed Hossein Hendi , Shahram Panahiyan , Behzad Eslam Panah , Mir Faizal , Mehrab Momennia

We develop a new technique for studying the perturbations of dRGT-type massive gravity theories around arbitrary background spacetimes. Built initially from the vielbein formulation of the theory, but switching back to the metric…

High Energy Physics - Theory · Physics 2025-11-25 Kieran Wood

Regarding the strong magnetic field of neutron stars and high energy regime scenario which is based on high curvature region near the compact objects, one is motivated to study magnetic neutron stars in an energy dependent spacetime. In…

General Relativity and Quantum Cosmology · Physics 2017-10-11 B. Eslam Panah , G. H. Bordbar , S. H. Hendi , R. Ruffini , Z. Rezaei , R. Moradi

We analyze the electrostatic self-energy of a point like electrically charged particle induced by a cosmic string in the context of gravity's rainbow, as well the electrostatic self-force on this particle. The possibility of the solution…

General Relativity and Quantum Cosmology · Physics 2020-01-08 L. C. N. Santos , V. B. Bezerra

The doubly special relativity (DSR) theories are investigated in order to take into account an observer-independent length scale in special relativity framework. It is widely believed that any quantum theory of gravity would reduce to a DSR…

General Relativity and Quantum Cosmology · Physics 2016-12-20 M. A. Gorji , K. Nozari , B. Vakili

We introduce the Vainshtein mechanism which plays a crucial role in massive gravities, as well as in related theories such as Galileons and their extensions. This mechanism, also known as k-mouflage, allows to hide via non linear effects -…

General Relativity and Quantum Cosmology · Physics 2013-09-10 Eugeny Babichev , Cedric Deffayet

Doubly special relativity (DSR) is an effective model for encoding quantum gravity in flat spacetime. To incorporate DSR into general relativity, one could use gravity's rainbow, where the spacetime background felt by a test particle would…

General Relativity and Quantum Cosmology · Physics 2022-05-27 Yuzhou Tao , Benrong Mu , Siyuan Hui , Jun Tao