Strongly coupled heavy and light quark thermal motion from AdS/CFT

Mes, Alexes; Moerman, Robert; Shock, Jonathan P.; Horowitz, W. A.

doi:10.1016/j.aop.2021.168675

Cited by 4 publications

(2 citation statements)

References 114 publications

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“…Generally, the expectation value of the Wilson loop operator is identified with the partition function of the dual string worldsheet [26]. In the large-N c , large-λ limit the duality is greatly simplified to As in [27][28][29][30][31][32], we will consider the open string moving in a target space of magnetic AdS 5 black brane, which is holographic dual of a heavy quark in strongly coupled magnetized plasma 4 , see Figure 2 for illustration. The friction and noise forces felt by boundary quark correspond to Here, adopting the holographic prescription for SK closed time contour [49] 5 , we will extend this picture to nonlinear level (see [5] for the situation without magnetic field) by analyzing dynamics of a Nambu-Goto string in magnetic AdS 5 black brane.…”

Section: Study In a Microscopic Modelmentioning

confidence: 99%

Nonlinear effective dynamics of a Brownian particle in magnetized plasma

Zhang²,

Zhang³

2022

Phys. Rev. D

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An effective description is presented for a Brownian particle in a magnetized plasma. In order to systematically capture various corrections to linear Langevin equation, we construct effective action for the Brownian particle, to quartic order in its position. The effective action is first derived within non-equilibrium effective field theory formalism, and then confirmed via a microscopic holographic model consisting of an open string probing magnetic AdS 5 black brane. For practical usage, the non-Gaussian effective action is converted into Fokker-Planck type equation, which is an Euclidean analog of Schrödinger equation and describes time evolution of probability distribution for particle's position and velocity.

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Section: Study In a Microscopic Modelmentioning

confidence: 99%

Nonlinear effective dynamics of a Brownian particle in magnetized plasma

Zhang²,

Zhang³

2022

Phys. Rev. D

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“…For instance, in biological sciences, comprehending the motion behavior of drug particles or molecules in confined spaces is vital [25]. Amid this context, coupled particle rings and self-propelled particles have emerged as hot research topics [26][27][28][29]. Comprising particles capable of autonomous motion, these particle rings move within two-dimensional obstructed channels under external forces.…”

Section: Introductionmentioning

confidence: 99%

The diffusion behaviour of coupled particle rings driven by self-propelled particles in a two-dimensional reflection channel

Cheng,

Wang

2024

Phys. Scr.

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Investigated the diffusion behaviour of self-propelled coupled particle rings in a two-dimensional channel considering particle collisions. The channel geometry and noise regulation play crucial roles in directing transport within the system. Observed a significant alteration in the diffusion behaviour of the particle rings at specific stages of the collision process, accompanied by corresponding changes in the diffusion coefficient. As the modulation phase shift increases, the mean square displacement (MSD) of the particle rings displays periodic fluctuations. The binding force between the particle rings partially restricts the growth of the MSD. An increase in white noise intensity enhances the diffusion behaviour. The impact of self-propulsion speed is influenced by the modulation parameters. The sign of the modulation parameter dictates the correlation of the self-propulsion speed. Furthermore, the number of particle rings in the channel introduces a complex effect on the diffusion behaviour.

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Weak gravity conjecture from conformal field theory: a challenge from hyperscaling violating and Kerr-Newman-AdS black holes

et al. 2023

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We search for a possible relation between weak gravity conjecture and conformal field theory in the hyperscaling violating and Kerr-Newman-AdS black holes. We deal with the critical points of the black hole systems through the correlation function introduced in conformal field theory. We discuss the weak gravity conjecture conditions by the imaginary part of the energy obtained from the critical points and their poles. Under the assumptions $z=1$, $d=1$ and $\theta\rightarrow0^{-}$, we link weak gravity conjecture to the hyperscaling violating black holes due to the existence of $r_{H}$ larger and smaller than one. As the second black hole system, we study the conditions of weak gravity conjecture for the Kerr-Newman-AdS black hole by rotation and radius parameters. Then, we show that the conditions of weak gravity conjecture are satisfied when the charged particle near the hyperscaling violating and Kerr-Newman black holes is $\frac{1}{a}$ with a ratio $\frac{a}{\ell}\ll 1$. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Article funded by SCOAP3 and published under licence by Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Science and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd.

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Strongly coupled heavy and light quark thermal motion from AdS/CFT

Cited by 4 publications

References 114 publications

Nonlinear effective dynamics of a Brownian particle in magnetized plasma

Nonlinear effective dynamics of a Brownian particle in magnetized plasma

The diffusion behaviour of coupled particle rings driven by self-propelled particles in a two-dimensional reflection channel

Weak gravity conjecture from conformal field theory: a challenge from hyperscaling violating and Kerr-Newman-AdS black holes

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