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We continue to explore the dynamics of a heavy quark in a strongly coupled rotating quark-gluon plasma within the holographic framework. We use the 5d Kerr-AdS black hole with two arbitrary rotating parameters to describe the rotating…

High Energy Physics - Theory · Physics 2022-05-11 Anastasia A. Golubtsova , Eric Gourgoulhon , Marina K. Usova

We perform accurate calculations of the energy-, momentum-, and charge-emission rates of a charged scalar field in the background of the Kerr-Newman black hole at the range of parameters for which the effect is not negligibly small and, at…

General Relativity and Quantum Cosmology · Physics 2014-04-23 R. A. Konoplya , A. Zhidenko

The variational problem of gravity theories is directly related to black hole thermodynamics. For asymptotically locally AdS backgrounds it is known that holographic renormalization results in a variational principle in terms of equivalence…

High Energy Physics - Theory · Physics 2016-04-20 Ok Song An , Mirjam Cvetič , Ioannis Papadimitriou

This paper reports results of the computation of the drag force exerted on an oscillating object in quantum turbulence in superfluid $^4$He. The drag force is calculated on the basis of numerical simulations of quantum turbulent flow about…

Other Condensed Matter · Physics 2009-11-13 Shoji Fujiyama , Makoto Tsubota

In this paper, we investigate thermodynamical aspects of a novel static non-extremal black hole solution in the five-dimensional anti-de Sitter (AdS) space carrying four independent electric charge parameters and with a negative…

High Energy Physics - Theory · Physics 2026-03-02 Di Wu , Shuang-Qing Wu

We develop a relativistic Langevin dynamics under the background of strongly interacting quark-gluon fluid described by the (3+1)-dimensional hydrodynamics. The drag force acting on charm and bottom quarks is parametrized according to the…

High Energy Physics - Phenomenology · Physics 2009-11-18 Yukinao Akamatsu , Tetsuo Hatsuda , Tetsufumi Hirano

We embed Kerr-Newman-AdS black holes into $\mathcal{N} = 8$ gauged supergravity and study quadratic fluctuations around the black hole backgrounds of all fields in the larger theory. The equations of motion of the perturbations are…

High Energy Physics - Theory · Physics 2024-11-26 Nizar Ezroura , Finn Larsen

We study drag dynamics of several fermions in a fermion cloud in one-dimensional continuous systems, with particular emphasis on the non-trivial quantum many-body effects in systems whose parameters change gradually in real time. We adopt…

Quantum Gases · Physics 2015-08-12 Jun'ichi Ozaki , Masaki Tezuka , Norio Kawakami

We study the self force acting on a scalar charge in uniform circular motion around a Schwarzschild black hole. The analysis is based on a direct calculation of the self force via mode decomposition, and on a regularization procedure based…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Lior M. Burko

We determine the most general form of the covariant drag force exerted on a quark moving through a fluid dynamical flow. Up to first order in derivative expansion, our general formula requires the specification of seven coefficient…

High Energy Physics - Theory · Physics 2015-08-28 Navid Abbasi , Ali Davody

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

The effects of charge and finite 't Hooft coupling correction on drag force and jet quenching parameter are investigated. To study charge effect and finite 't Hooft coupling correction, we consider Maxwell charge and Gauss-Bonnet terms,…

High Energy Physics - Theory · Physics 2014-11-18 Kazem Bitaghsir Fadafan

The connection between bulk and boundary thermodynamics in Einstein-Maxwell theory is well established using AdS/CFT correspondence. In the context of general higher derivative gravity coupled to a U(1) gauge field, we examine the…

High Energy Physics - Theory · Physics 2024-05-08 Gurmeet Singh Punia

In CFD simulations of two-phase flows, accurate drag force modeling is essential for predicting particle dynamics. However, a generally valid formulation is lacking, as all available drag force correlations have been established for…

Fluid Dynamics · Physics 2023-02-08 Gizem Ozler , Mustafa Demircioglu , Holger Grosshans

We study both the "large" and "small" U-duality charge orbits of extremal black holes appearing in D = 5 and D = 4 Maxwell-Einstein supergravity theories with symmetric scalar manifolds. We exploit a formalism based on cubic Jordan algebras…

High Energy Physics - Theory · Physics 2012-07-11 L. Borsten , M. J. Duff , S. Ferrara , A. Marrani , W. Rubens

We have obtained charged asymptotically AdS black hole solutions in Einstein Gauss Bonnet gravity in presence of string cloud. It turns out that there exist three black holes in certain range of parameters for small enough chemical…

High Energy Physics - Theory · Physics 2024-09-09 Tanay K. Dey , Subir Mukhopadhyay

Considering theories in sectors of large global charge $Q$ results in a semiclassical effective field theory (EFT) description for some strongly-coupled conformal field theories (CFTs) with continuous global symmetries. Hence, when studying…

High Energy Physics - Theory · Physics 2018-09-26 Orestis Loukas , Domenico Orlando , Susanne Reffert , Debajyoti Sarkar

Previous work has shown that the standard supergravity approximation can break down when using AdS/CFT duality to study certain top-down formulations of the jet stopping problem in strongly-coupled N=4 super-Yang-Mills (SYM) plasmas,…

High Energy Physics - Theory · Physics 2015-06-12 Peter Arnold , Phillip Szepietowski , Diana Vaman , Gabriel Wong

Using the AdS/CFT correspondence, we probe the extremal black holes by studying the energy loss of a moving heavy point particle in a strongly-coupled boundary field theory at zero temperature and finite charge density. We first consider…

High Energy Physics - Theory · Physics 2015-12-17 Moslem Ahmadvand , Kazem Bitaghsir Fadafan

The finite part of the self-force on a static scalar test-charge outside a Schwarzschild black hole is zero. By direct construction of Hadamard's elementary solution, we obtain a closed-form expression for the minimally coupled scalar field…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Alan G. Wiseman