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In this paper, we investigate the heavy quark potential and the jet quenching parameter in a system with Lifshitz and hyperscaling violation exponents, by using the AdS/CFT correspondence. It is shown that the heavy quark potential and the…

High Energy Physics - Theory · Physics 2022-10-26 M. Kioumarsipour , J. Sadeghi

We identify the leading finite-size (Luscher-type) correction to the energy of open strings ending on maximal giant gravitons. In particular we obtain the leading finite size correction at weak 't Hooft coupling and in the planar limit to…

High Energy Physics - Theory · Physics 2009-09-30 D. H. Correa , C. A. S. Young

We derive exact relations to all orders in the $\alpha'$ expansion for the charges of a bound system of heterotic strings, solitonic 5-branes and, optionally, a Kaluza-Klein monopole. The expressions, which differ from those of the…

High Energy Physics - Theory · Physics 2019-10-23 Federico Faedo , Pedro F. Ramirez

We study the role of the Gauss-Bonnet corrections and two loop higher genus contribution to the gravity action on the Kaluza-Klien modes and their interactions for different bulk fields which enable one to study various phenomenological…

High Energy Physics - Theory · Physics 2013-06-20 Sayantan Choudhury , Soumitra SenGupta

The drag of a heavy quark and the jet quenching parameter are studied in the strongly coupled N=2* plasma using the AdS/CFT correspondence. Both increase in units of the spatial string tension as the theory departs from conformal…

High Energy Physics - Theory · Physics 2009-10-16 Carlos Hoyos-Badajoz

We study the effect of chemical potential and nonconformality on the jet quenching parameter in a holographic QCD model with conformal invariance broken by a background dilaton. It turns out that the presence of chemical potential and…

Nuclear Theory · Physics 2020-06-26 Xiangrong Zhu , Zi-qiang Zhang

We investigate extremal charged black hole solutions in the four-dimensional string frame Gauss-Bonnet gravity with the Maxwell field and the dilaton. Without curvature corrections, the extremal electrically charged dilatonic black holes…

High Energy Physics - Theory · Physics 2009-04-17 Dmitri V. Gal'tsov , Evgeny A. Davydov

Recent developments in obtaining a detailed model for gamma ray bursts have shown the need for a deeper understanding of phenomena described by solutions of the Einstein-Maxwell equations, reviving interest in the behavior of charges close…

Astrophysics · Physics 2009-11-10 Remo Ruffini

In this paper, we consider the AdS-Schwarzshild black hole in light-cone coordinates which exhibits non-relativistic z=2 Schrodinger symmetry. Then, we use the $AdS/CFT$ correspondence to investigate the effect of finite-coupling…

High Energy Physics - Theory · Physics 2012-08-10 Kazem Bitaghsir Fadafan

In this work, holographic approach has been used to analyse the hydrodynamical properties of $\mathcal{N}=4$ Super Yang-Mills thermal plasma with subleading 't Hooft coupling correction and flavour quarks dual to the AdS Gauss-Bonnet…

High Energy Physics - Theory · Physics 2025-11-13 Rishi Pokhrel , Karma P. Sherpa , Indra K. P. Chettri , Tanay K. Dey

Nonlinear electrodynamics is known as the generalizations of Maxwell electrodynamics at strong fields and presents interesting features such as curing the classical divergences present in the linear theory when coupled to general…

General Relativity and Quantum Cosmology · Physics 2022-10-04 Yashmitha Kumaran , Ali Övgün

Models of medium-induced radiative parton energy loss account for the strong suppression of high-pT hadron spectra in $\sqrt{s_{NN}}=200$ GeV Au-Au collisions at RHIC in terms of a single "jet quenching parameter'' $\hat q$. The available…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hong Liu , Krishna Rajagopal , Urs Achim Wiedemann

Expressions for generalized charge stiffness constant at zero temperature are derived corresponding to low dimensional hole doped quantum antiferromagnets, describable by the t-J-like models, with a view to understanding fermionic pairing…

Strongly Correlated Electrons · Physics 2022-03-10 Suraka Bhattacharjee , Ranjan Chaudhury

We study $R^2$ corrections to the holographic Schwinger effect in an AdS black hole background and a confining D3-brane background, respectively. The potential analysis for these backgrounds is presented. The critical values for the…

High Energy Physics - Theory · Physics 2017-06-22 Zi-qiang Zhang , Chong Ma , De-fu Hou , Gang Chen

In this paper, we calculate the drag force of a charged particle in systems with hyperscaling violation using the AdS/CFT correspondence. We obtain energy loss, friction coefficient, diffusion and quasi normal modes of a heavy point…

High Energy Physics - Theory · Physics 2022-10-26 M. Kioumarsipour , J. Sadeghi

We investigate the holographic fermions in the charged Gauss-Bonnet $AdS_{d}$ black hole background with the dipole coupling between fermion and gauge field in the bulk. We show that in addition to the strength of the dipole coupling, the…

High Energy Physics - Theory · Physics 2012-07-27 Xiao-Mei Kuang , Bin Wang , Jian-Pin Wu

We perform a direct test of the gauge-gravity duality associated with the system of N D0-branes in type IIA superstring theory at finite temperature. Based on the fact that higher derivative corrections to the type IIA supergravity action…

High Energy Physics - Theory · Physics 2009-06-30 Masanori Hanada , Yoshifumi Hyakutake , Jun Nishimura , Shingo Takeuchi

We compute the dimensionality dependence of $\eta/s$ for charged black branes with Gauss-Bonnet correction. We find that both causality and stability constrain the value of Gauss-Bonnet coupling constant to be bounded by 1/4 in the infinite…

High Energy Physics - Theory · Physics 2014-11-18 Xian-Hui Ge , Sang-Jin Sin

In the course of this research, we employ the Gauss-Bonnet equation of motion alongside the scalar field and potential to acquire a fresh solution for a spherically symmetrical charged black hole. Specifically, we derive this black hole…

General Relativity and Quantum Cosmology · Physics 2024-08-06 G. G. L. Nashed

We consider five-dimensional AdS-axion-dilaton gravity with a Gauss-Bonnet term and use a black brane solution displaying spatial anisotropy as the gravity dual of a strongly coupled anisotropic plasma. We compute several observables…

High Energy Physics - Theory · Physics 2016-06-02 Viktor Jahnke , Anderson Seigo Misobuchi