English
Related papers

Related papers: Drag force on heavy quarks from holographic QCD

200 papers

In this paper, we employ the gauge/gravity duality to study some features of the quark gluon plasma. For this purpose, we implement a holographic QCD model constructed from an Einstein-Maxwell-Dilaton gravity at finite temperature and…

High Energy Physics - Phenomenology · Physics 2024-02-23 Sara Heshmatian , Razieh Morad

We study the drag force and diffusion coefficient with respect to a moving heavy quark in a D-instanton background, which corresponds to the Yang-Mills theory in the deconfining, high-temperature phase. It is shown that the presence of the…

High Energy Physics - Theory · Physics 2018-04-17 Zi-qiang Zhang , Zhong-jie Luo , De-fu Hou

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

Single quarks moving in the vacuum of confining gauge theories are stopped by a drag force. The holographic description relates the confining scale in the bulk geometry with a range of physical values for the drag force in the vacuum. The…

High Energy Physics - Theory · Physics 2022-03-03 Saulo Diles , Miguel Angel Martín Contreras , Alfredo Vega

The heavy quark drag and momentum diffusion have been investigated in a hot magnetized quark-gluon plasma, along the directions parallel and perpendicular to the magnetic field. The analysis is done within the framework of Fokker-Planck…

Nuclear Theory · Physics 2019-10-09 Manu Kurian , Santosh K. Das , Vinod Chandra

We provide a holographic evaluation of novel contributions to the drag force acting on a heavy quark moving through strongly interacting plasma. The new contributions are chiral in that they act in opposite directions in plasmas containing…

High Energy Physics - Theory · Physics 2015-07-30 Krishna Rajagopal , Andrey V. Sadofyev

We calculate the drag force experienced by an infinitely massive quark propagating at constant velocity through an anisotropic, strongly coupled N=4 plasma by means of its gravity dual. We find that the gluon cloud trailing behind the quark…

High Energy Physics - Theory · Physics 2012-11-14 Mariano Chernicoff , Daniel Fernandez , David Mateos , Diego Trancanelli

We use the AdS/CFT correspondence to compute the drag force experienced by a heavy quark moving through a maximally supersymmetric SU(N) super Yang-Mills plasma at nonzero temperature and R-charge chemical potential and at large 't Hooft…

High Energy Physics - Theory · Physics 2008-11-26 C. P. Herzog , A. Vuorinen

The drag and diffusion coefficients of heavy quarks propagating through quark gluon plasma (QGP) have been estimated by shielding both the electric and magnetic type infra-red divergences. The electric type screening in perturbative quantum…

Nuclear Theory · Physics 2022-01-26 Mahfuzur Rahaman , Santosh K. Das , Jan-e Alam , Sabyasachi Ghosh

In order to investigate how the drag force is affected by translational symmetry breaking (TSB), we utilize a holographic model in which the background metric remains translational symmetric while a graviton mass or other fields in the…

High Energy Physics - Theory · Physics 2024-12-10 Sara Tahery , Kazem Bitaghsir Fadafan , Sahar Mojarrad Lamanjouei

We compute the drag force exerted on a quark and a di-quark systems in a background dual to large-N QCD at finite temperature. We find that appears a drag force in the former setup with flow of energy proportional to the mass of the quark…

High Energy Physics - Theory · Physics 2010-02-03 Pere Talavera

The complete absence of isolated quarks reaching particle detectors after high energy collisions suggests that some physical mechanism generates resistance to their propagation in the vacuum. In order to reveal such a mechanism, we analyze…

High Energy Physics - Theory · Physics 2022-06-03 Saulo Diles , Miguel Angel Martin Contreras , Alfredo Vega

We investigate drag force in a thermal plasma of N=4 super Yang-Mills theory via both fundamental and Dirichlet strings under the influence of non-zero NSNS $B$-field background. In the description of AdS/CFT correspondence the endpoint of…

High Energy Physics - Theory · Physics 2009-11-11 Toshihiro Matsuo , Dan Tomino , Wen-Yu Wen

Impact dynamics is measured for spherical and cylindrical projectiles of many different densities dropped onto a variety non-cohesive granular media. The results are analyzed in terms of the material-dependent scaling of the inertial and…

Soft Condensed Matter · Physics 2013-05-30 H. Katsuragi , D. J. Durian

We investigate the influence of a magnetic field on the running coupling constant for a heavy-quark model in a bottom-up holographic approach. To achieve this, we employ a magnetized Einstein-Maxwell-dilaton background that captures the…

High Energy Physics - Theory · Physics 2025-06-10 Irina Ya. Aref'eva , Ali Hajilou , Alexander Nikolaev , Pavel Slepov

In this work I explore theoretical and phenomenological implications of chemical potentials and charge densities inside a strongly coupled thermal plasma, using the gauge/gravity correspondence. Strong coupling effects discovered in this…

High Energy Physics - Theory · Physics 2009-07-22 Matthias Kaminski

In this paper we consider a moving quark in the thermal plasma at the N=2 Supergravity theory. By using the AdS/CFT correspondence we obtain energy loss of the quark. Then we consider the higher derivative corrections in charged AdS-black…

High Energy Physics - Theory · Physics 2009-03-20 J. Sadeghi , B. Pourhassan

We consider the 5d Kerr-AdS black hole as a gravity dual to rotating quark-gluon plasma. In the holographic prescription we calculate the drag force acting on a heavy quark. According to the holographic approach a heavy quark can be…

High Energy Physics - Theory · Physics 2021-05-05 Irina Ya. Aref'eva , Anastasia A. Golubtsova , Eric Gourgoulhon

We consider a heavy meson moving slowly through high temperature non-abelian plasmas. Using a simple dipole effective Lagrangian, we calculate the in-medium mass shift and the drag coefficient of the meson in $\N=4$ Super Yang Mills theory…

High Energy Physics - Theory · Physics 2009-01-06 Kevin Dusling , Johanna Erdmenger , Matthias Kaminski , Felix Rust , Derek Teaney , Clint Young

Heavy quark dynamics in an anisotropic QCD medium have been analyzed within the Fokker-Planck approach. Heavy quark drag force and momentum diffusion tensor have been decomposed by employing a general tensor basis for an anisotropic medium.…

High Energy Physics - Phenomenology · Physics 2022-05-13 Avdhesh Kumar , Manu Kurian , Santosh K. Das , Vinod Chandra