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We examine the effect on cosmological evolution of adding a string motivated Gauss-Bonnet term to the traditional Einstein-Hilbert action for a (1 + 3) + d dimensional Friedman-Robertson- Walker (FRW) metric. By assuming that the additional…

High Energy Physics - Theory · Physics 2007-05-23 Keith Andrew , Brett Bolen , Chad A. Middleton

In this paper we study the behavior of jet quenching parameter in the background metric with hyperscaling violation at finite temperature.The background metric is covariant under a generalized Lifshitz scaling symmetry with the dynamical…

High Energy Physics - Theory · Physics 2015-06-17 J. Sadeghi , S. Heshmatian

We study the effect of higher-derivative terms on holographic Schwinger effect by introducing the Gauss-Bonnet term in the gravity sector. Anti-de Sitter (AdS) soliton background is considered which is dual to confining phase of the…

High Energy Physics - Theory · Physics 2016-05-18 Shao-Jun Zhang , E. Abdalla

Using gauge/gravity duality, we compute jet quenching parameter in confined and deconfined phases of noncommutative Sakai-Sugimoto model. In the confined phase jet quenching parameter is zero and noncommutativity does not affect it. In…

High Energy Physics - Theory · Physics 2011-04-27 M. Ali-Akbari

In the present article, we have obtained an exact analytical solution of six-dimensional pure Gauss-Bonnet gravity in the presence of both NUT and Maxwell charges. The topology of the horizon is chosen to be the product of two 2-spheres.…

General Relativity and Quantum Cosmology · Physics 2025-05-30 Sajal Mukherjee , Subhajit Barman

In this paper, we are considering two first order corrections to both gravity and gauge sides of the Einstein-Maxwell gravity: Gauss-Bonnet gravity and quadratic Maxwell invariant as corrections. We obtain horizonless magnetic solutions by…

General Relativity and Quantum Cosmology · Physics 2017-10-23 Seyed Hossein Hendi , Shahram Panahiyan , Behzad Eslam Panah

We study the energy loss of a quark moving in a strongly coupled QGP under the influence of anisotropy. The heavy quark drag force, diffusion coefficient, and jet quenching parameter are calculated using the Einstein-Maxwell-dilaton model,…

High Energy Physics - Phenomenology · Physics 2023-07-26 Qi Zhou , Ben-Wei Zhang

We first calculate the jet quenching parameter of an anisotropic plasma with a U(1) chemical potential via the AdS/CFT duality. The effects of charge, anisotropy parameter and quark motion direction on the jet quenching parameter are…

High Energy Physics - Theory · Physics 2016-11-23 Luying Wang , Shang-Yu Wu

The jet quenching phenomenon in an anisotropic quark-gluon plasma is studied using gauge-gravity duality. We consider a more general orientation of the contour of a lightlike Wilson loop in the boundary field theory. The Nambu-Goto action…

High Energy Physics - Theory · Physics 2026-01-01 Pavel Slepov

Following the previous work 1103.3773, we give a more general and systematic discussion on the Chern-Simons effect in the 5-dimensional Maxwell-Gauss-Bonnet gravity. After constructing the first order perturbative black brane solution, we…

High Energy Physics - Theory · Physics 2012-08-07 Ya-Peng Hu , Chanyong Park

In this paper, we introduce Einstein power-law Maxwell-Scalar gravity with Liouvill potential in n + 1 dimension. The corresponding metric background or solution of above mentioned action lead us to achieve some thermodynamics quantities of…

High Energy Physics - Theory · Physics 2019-07-02 B. Khanpour , J. Sadeghi

In this paper we use the AdS/CFT correspondence to compute the jet-quenching parameter in a N=2 thermal plasma. We consider the general three-charge black hole and discuss some special cases. We add a constant electric field to the…

High Energy Physics - Theory · Physics 2011-11-03 K. Bitaghsir Fadafan , B. Pourhassan , J. Sadeghi

We calculate photons from jet-plasma interaction considering collisional and radiative energy loss of jet parton. The phase space distribution of the participating jet is dynamically evolved by solving Fokker-Planck equation. We treat the…

High Energy Physics - Phenomenology · Physics 2015-03-18 Lusaka Bhattacharya

Based on the Jacobi metric method, this paper studies the deflection of a charged massive particle by a novel four-dimensional charged Einstein-Gauss-Bonnet black hole. We focus on the weak field approximation and consider the deflection…

General Relativity and Quantum Cosmology · Physics 2022-09-28 Zonghai Li , Yujie Duan , Junji Jia

In this paper, we investigate AdS/BCFT for curvature-squared gravity. To warm up, we start with Gauss-Bonnet gravity. We derive the one point function of stress tensor and show that the central charge related to the norm of displacement…

High Energy Physics - Theory · Physics 2022-09-21 Qi-Lin Hu , Dongqi Li , Rong-Xin Miao , Yu-Qian Zeng

Several recent papers discuss gravitational corrections to gauge couplings that depend quadratically on the energy. In the framework of the background-field approach, these correspond in general to adding to the effective action terms…

High Energy Physics - Theory · Physics 2015-05-20 John Ellis , Nick E. Mavromatos

Electrically charged systems bound by a strong gravitational force can sustain a huge amount of electric charge (up to 10^20C) against Coulomb repulsion. General relativistically such systems form a stable hydrostatic configuration both in…

General Relativity and Quantum Cosmology · Physics 2009-03-24 Babur M. Mirza

We study the effects of Gauss-Bonnet corrections on some nonlocal probes (entanglement entropy, $n$-partite information and Wilson loop) in the holographic model with momentum relaxation. Higher-curvature terms as well as scalar fields make…

High Energy Physics - Theory · Physics 2018-03-06 M Reza Tanhayi , R Vazirian

Using AdS/CFT we investigate the effect of angular-momentum-induced anisotropy on the instantaneous drag force of a heavy quark. The dual description is that of a string moving in the background of a Kerr-AdS black holes. The system…

High Energy Physics - Theory · Physics 2016-06-10 Ardian Nata Atmaja , Koenraad Schalm

Employing extended phase space formalism, we study critical phenomenon of A-charge and C-charge for holographic theories dual to Gauss-Bonnet black holes. We find a universal critical Gauss-Bonnet coupling, giving rise to a universal ratio…

High Energy Physics - Theory · Physics 2024-04-17 Hong-Ming Cui , Zhong-Ying Fan