[phys4phys] Strings, Holography & Chaos Seminar Sep 23 12:00 CEST (Zoom): Anirban Roy Chowdhury

[Mihailo Čubrović]

Dear friends,

On September 23 at 12:00 CEST we will have a Zoom-only seminar by 
Anirban Roy Chowdhury. After the seminar the speaker will be available 
for questions and discussions. Title, abstract and Zoom coordinates 
follow.

Holographic Brownian dynamics of a heavy particle in a boosted thermal 
plasma background

Anirban Roy Chowdhury (S.N. Bose National Centre for Basic Sciences, 
Kolkata, India)

Abstract: In this work, we have performed a detailed holographic 
analysis of the stochastic dynamics of a heavy particle propagating 
through a strongly coupled plasma moving with a constant velocity along 
a fixed spatial direction. To model this scenario within the framework 
of the AdS/CFT correspondence, we consider a boosted AdS black brane 
geometry in the bulk. The boost corresponds to the uniform motion of the 
plasma on the boundary field theory side. The presence of this boost 
introduces a preferred direction, leading to an anisotropic environment 
in which the behavior of the Brownian particle differs depending on its 
direction of motion. Consequently, we examine two distinct cases, 
namely, Brownian motion parallel to the direction of the boost and 
motion perpendicular to it. In this work we have computed the diffusion 
coefficient for both along the boost and perpendicular to the boost 
directions. We have obtained the diffusion coefficient by following the 
two different approaches in both the cases. These complementary 
approaches yield consistent results, thereby reinforcing the reliability 
of the computations carried out. Additionally, we verify the 
fluctuation-dissipation theorem within this anisotropic setup, 
confirming its validity in both longitudinal and transverse to the 
direction of boost. Our findings provide deeper insight into the 
non-equilibrium transport properties of strongly coupled plasma and 
further elucidate the holographic description of Brownian motion in 
anisotropic backgrounds.

Topic: Strings, Holography and Chaos Seminar
Time: Sep 23, 2026 12:00 PM Belgrade, Bratislava, Ljubljana
Join Zoom Meeting
https://belgrade-strings-ipb-ac-rs.zoom.us/j/6664242666?pwd=QW5UjVWFuadA4MBhB0K6wockM1OxPZ.1&omn=94744240016

Meeting ID: 666 4242 666
Passcode: 314159



-- 
Dr. Mihailo Čubrović

Center for the Study of Complex Systems
Institute of Physics Belgrade
National Institute of the Republic of Serbia
Pregrevica 118, 11080 Belgrade, Serbia
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