Dissipative force on an external quark in heavy quark cloud

TL;DR

This paper uses holography to calculate the dissipative force on an external quark in a hot, dense medium modeled by N=4 super Yang-Mills theory, revealing how the force varies with quark cloud density.

Contribution

It introduces a holographic approach to quantify the dissipative force on a quark within a heavy quark cloud at finite temperature.

Findings

Force increases with cloud density

Gravity dual remains stable under perturbations

Provides insights into quark-medium interactions

Abstract

Within the finite temperature N = 4 strongly coupled super Yang- Mills, we compute the dissipative force on an external quark in the presence of evenly distributed heavy quark cloud. This is computed holographically by constructing the corresponding gravity dual. We study the behaviour of this force as a function of the cloud density. Along the way we also analyze the stability of the gravity dual for vector and tensor perturbations.