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Heavy Quark Diffusion in Strongly Coupled $\N=4$ Yang Mills

10 Pith papers cite this work. Polarity classification is still indexing.

10 Pith papers citing it
abstract

We express the heavy quark diffusion coefficient as the temporal variation of a Wilson line along the Schwinger-Keldysh contour. This generalizes the classical formula for diffusion as a force-force correlator to a non-abelian theory. We use this formula to compute the diffusion coefficient in strongly coupled $\N=4$ Yang-Mills by studying the fluctuations of a string in $AdS_5\times S_5$. The string solution spans the full Kruskal plane and gives access to contour correlations. The diffusion coefficient is $D=2/\sqrt{\lambda} \pi T$ and is therefore parametrically smaller than momentum diffusion, $\eta/(e+p)=1/4\pi T$. The quark mass must be much greater than $T\sqrt{\lambda}$ in order to treat the quark as a heavy quasi-particle. The result is discussed in the context of the RHIC experiments.

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background 2 method 1

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years

2026 8 2025 2

verdicts

UNVERDICTED 10

representative citing papers

A Lindbladian for holographic Brownian motion

hep-th · 2026-06-16 · unverdicted · novelty 7.0

Derives and analyzes a Lindbladian for holographic Brownian motion in BTZ and AdS5 black brane backgrounds from the influence functional.

Heavy Quark Transport is Non-Gaussian Beyond Leading Log

hep-ph · 2026-04-23 · unverdicted · novelty 7.0

Heavy-quark momentum transfer beyond leading logarithm in weak-coupling plasmas is non-Gaussian with asymmetric exponential tails, matching the structure seen in strongly coupled holographic plasmas.

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