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In this work, we study the possible existence of gravitational phase transition from AdS to dS asymptotic geometries in Einstein-Gauss-Bonnet gravity by adding the Maxwell one-form field ($A_\mu$) and the Kalb-Ramond two-form field…

General Relativity and Quantum Cosmology · Physics 2020-08-25 Daris Samart , Phongpichit Channuie

In this work, gravitational phase transition emerging from anti de-Sitter (AdS) to de-Sitter (dS) vacua in Einstein-Gauss-Bonnet-massive gravity (EGBMG) is considered. We determine the location of thermalon (a static bubble solution in…

General Relativity and Quantum Cosmology · Physics 2022-08-30 Supakchai Ponglertsakul , Phongpichit Channuie , Daris Samart

In this work, we revisit a toy model proposed by Camanho {\it et.al.} [JHEP 10 (2015) 179] and extensively study the possible existence of gravitational phase transition from AdS to dS geometries by adding the Maxwell field as an impurity…

General Relativity and Quantum Cosmology · Physics 2020-09-09 Daris Samart , Phongpichit Channuie

Einstein-Gauss-Bonnet (EGB) gravity is an outcome of quadratic curvature corrections to the Einstein-Hilbert gravity action in the form of a Gauss-Bonnet (GB) term in $ D > 4$ dimensions and EGB gravity is topologically invariant in $4D$.…

General Relativity and Quantum Cosmology · Physics 2021-02-03 Sushant G. Ghosh , Dharm Veer Singh , Rahul Kumar , Sunil D. Maharaj

By considering the negative cosmological constant {\Lambda} as a thermodynamic pressure, we study the thermodynamics and phase transitions of the D-dimensional dyonic AdS black holes (BHs) with quasitopological electromagnetism in…

General Relativity and Quantum Cosmology · Physics 2023-10-13 Ping-Hui Mou , Qing-Quan Jiang , Ke-Jian He , Guo-Ping Li

Thermalons can mediate phase transitions between different vacua in higher curvature gravity, potentially changing the asymptotic structure of the spacetime. Treating the cosmological constant as a dynamical parameter, we study these phase…

High Energy Physics - Theory · Physics 2016-03-23 Robie A. Hennigar , Robert B. Mann , Saoussen Mbarek

Instead of the work \cite{1} which in according to the Lovelock theorem it could not applicable for all types of 4D curved spacetimes of Einstein Gauss Bonnet (EGB) gravity, authors of the work \cite{2} applied break of diffeomorphism…

High Energy Physics - Theory · Physics 2022-12-08 Hossein Ghaffarnejad , Elham Ghasami , Emad Yaraie , Mohammad Farsam

In this work, we present the possible existence of a thermalon phase transition between anti-de Sitter (AdS) to de Sitter (dS) vacua in Einstein-Gauss-Bonnet gravity by considering the R\'{e}nyi statistics. A thermalon changes the…

High Energy Physics - Theory · Physics 2023-03-06 Daris Samart , Phongpichit Channuie

We study the possible existence of gravitational phase transitions from AdS to dS geometries in the context of higher-curvature gravities. We use Lanczos-Gauss-Bonnet (LGB) theory with a positive cosmological constant as a toy model. This…

High Energy Physics - Theory · Physics 2015-07-28 Xian O. Camanho , Jose D. Edelstein , Andres Gomberoff , J. Anibal Sierra-Garcia

By treating the cosmological constant as a thermodynamic pressure, we investigate the thermodynamic behaviors of Born-Infeld AdS black hole in 4D Einstein-Gauss-Bonnet (EGB) gravity. The result shows that the Van der Waals like small/large…

General Relativity and Quantum Cosmology · Physics 2020-12-14 Chao-Ming Zhang , De-Cheng Zou , Ming Zhang

We set forth a new type of phase transition that might take place in gravitational theories whenever higher-curvature corrections are considered. It can be regarded as a sophisticated version of the Hawking-Page transition, mediated by the…

High Energy Physics - Theory · Physics 2015-06-04 Xian O. Camanho , Jose D. Edelstein , Gaston Giribet , Andres Gomberoff

The EGB is an outcome of quadratic curvature corrections to the Einstein-Hilbert gravity action in the form of a Gauss-Bonnet (GB) term in $ D > 4$ dimensions, and EGB gravity is topologically invariant in $4D$. Several ways have been…

General Relativity and Quantum Cosmology · Physics 2023-02-07 Arun Kumar , Sushant G. Ghosh

We investigate a novel mechanism for phase transitions that is a distinctive feature of higher-curvature gravity theories. For definiteness, we bound ourselves to the case of Lovelock gravities. These theories are known to have several…

High Energy Physics - Theory · Physics 2014-09-24 Xian O. Camanho , Jose D. Edelstein , Gaston Giribet , Andres Gomberoff

Modified gravity theories are of great interest in both observational and theoretical studies. In this article we study the correlation between the null geodesics in the background of a four-dimensional Einstein-Maxwell-Gauss-Bonnet AdS…

General Relativity and Quantum Cosmology · Physics 2021-05-19 Kartheek Hegde , A. Naveena Kumara , C. L. Ahmed Rizwan , Md Sabir Ali , Ajith K. M

We investigate thermodynamic aspects of black holes in the recently formulated four dimensional Gauss-Bonnet theory of gravity, focusing on its asymptotically de Sitter ($\Lambda>0$) solutions. We take a Euclidean path integral approach,…

General Relativity and Quantum Cosmology · Physics 2021-12-01 Gareth Arturo Marks , Fil Simovic , Robert B. Mann

In this paper, we probe in 4D Einstein-Gauss-Bonnet black hole and its thermodynamics. We illustrate the three asymptotically 4D EGB spacetime as an asymptotically flat, de Sitter, and Anti-de Sitter. Also, we apply the tunneling of the…

General Relativity and Quantum Cosmology · Physics 2022-04-19 Sareh Eslamzadeh , Javad T. Firouzjaee , Kourosh Nozari

Recently, several methods have been proposed to regularize a $D \to 4$ limit of Einstein-Gauss-Bonnet (EGB), leading to nontrivial gravitational dynamics in $4D$. We present an exact nonsingular black hole solution in the $4D$ EGB gravity…

General Relativity and Quantum Cosmology · Physics 2022-04-19 Arun Kumar , Dharmanand Baboolal , Sushant G. Ghosh

By looking at the Lovelock theorem one can infer that the gravity model given by \cite{GL} could not applicable for all type of 4D Einstein Gauss Bonnet (GB) curved spacetimes. Because in 4D space time the Gauss-Bonnet invariant is a total…

General Relativity and Quantum Cosmology · Physics 2022-02-11 Hossein Ghaffarnejad

Recently, there has been a surge of interest in the 4D Einstein-Gauss-Bonnet (4D EGB) gravity theory which bypasses the Lovelock theorem and avoids Ostrogradsky's instability. Such a novel theory has nontrivial dynamics and presents several…

High Energy Physics - Theory · Physics 2020-12-16 B. Eslam Panah , Kh. Jafarzade , S. H. Hendi

The Glavan-Lin proposal for 4D Einstein-Gauss-Bonnet (EGB) gravity introduces a singular dimensional scaling to bypass Lovelock's theorem, though its fundamental origin remains debated. In this work, we demonstrate that this specific…

High Energy Physics - Theory · Physics 2026-02-26 Apurv Keer , S. Shankaranarayanan
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