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Cited by 465

The DOI matches its Crossref record; 34 of the 34 references it cites were found in a registry or an index.

Heavy quark diffusion in strongly coupledN=4Yang-Mills theory

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Casalderrey-Solana, Jorge, Teaney, Derek·2006·Physical Review D
DOI 10.1103/physrevd.74.085012
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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 $\mathcal{N}=4$ Yang-Mills theory by studying the fluctuations of a string in ${\mathrm{AdS}}_{5}\ifmmode\times\else\texttimes\fi{}{S}_{5}$. The string solution spans the full Kruskal plane and gives access to contour correlations. The diffusion coefficient is $D=2/\sqrt{\ensuremath{\lambda}}\ensuremath{\pi}T$ and is therefore parametrically smaller than momentum diffusion, $\ensuremath{\eta}/(e+p)=1/4\ensuremath{\pi}T$. The quark mass must be much greater than $T\sqrt{\ensuremath{\lambda}}$ in order to treat the quark as a heavy quasiparticle. The result is discussed in the context of the Relativistic Heavy Ion Collider (RHIC) experiments.

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Metadata

Authors
Casalderrey-Solana, J., & Teaney, D.
Venue
Physical Review D
Publisher
American Physical Society (APS)
Published
2006-10-11
Volume
74
Issue
8
ISSN
  • 0556-2821 (ISSN-L)
  • 1550-7998
  • 1550-2368
DOI
10.1103/physrevd.74.085012
OpenAlex
W1506912788
Cited by
465
References
34
FWCI
29.82
Type
journal article
Language
en
Open access
green

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