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Title: Lattice QCD constraints on the heavy quark diffusion coefficient

Abstract

We report progress towards computing the heavy quark momentum diffusion coefficient from the correlator of two chromo-electric fields attached to a Polyakov loop in pure SU(3) gauge theory. Using a multilevel algorithm and tree-level improvement, we study the behavior of the diffusion coefficient as a function of temperature in the wide range 1.1 < T /Tc < 104 in order to compare it to perturbative expansions at high temperature. We find that within errors the lattice results are remarkably compatible with the next-to-leading order perturbative result.

Authors:
; ORCiD logo; ; ;
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); German Research Foundation (DFG)
OSTI Identifier:
1671369
Alternate Identifier(s):
OSTI ID: 1716828
Report Number(s):
BNL-220615-2020-JAAM
Journal ID: ISSN 2470-0010; PRVDAQ; 074503
Grant/Contract Number:  
SC0012704; EXC-2094-390783311; EXC-2094-39078331
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Name: Physical Review D Journal Volume: 102 Journal Issue: 7; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; Lattice field theory; quantum chromodynamics; quark-gluon plasma; strong interaction; heatbath algorithm; lattice gauge theory

Citation Formats

Brambilla, Nora, Leino, Viljami, Petreczky, Peter, Vairo, Antonio, and TUMQCD Collaboration. Lattice QCD constraints on the heavy quark diffusion coefficient. United States: N. p., 2020. Web. https://doi.org/10.1103/PhysRevD.102.074503.
Brambilla, Nora, Leino, Viljami, Petreczky, Peter, Vairo, Antonio, & TUMQCD Collaboration. Lattice QCD constraints on the heavy quark diffusion coefficient. United States. https://doi.org/10.1103/PhysRevD.102.074503
Brambilla, Nora, Leino, Viljami, Petreczky, Peter, Vairo, Antonio, and TUMQCD Collaboration. Fri . "Lattice QCD constraints on the heavy quark diffusion coefficient". United States. https://doi.org/10.1103/PhysRevD.102.074503.
@article{osti_1671369,
title = {Lattice QCD constraints on the heavy quark diffusion coefficient},
author = {Brambilla, Nora and Leino, Viljami and Petreczky, Peter and Vairo, Antonio and TUMQCD Collaboration},
abstractNote = {We report progress towards computing the heavy quark momentum diffusion coefficient from the correlator of two chromo-electric fields attached to a Polyakov loop in pure SU(3) gauge theory. Using a multilevel algorithm and tree-level improvement, we study the behavior of the diffusion coefficient as a function of temperature in the wide range 1.1 < T /Tc < 104 in order to compare it to perturbative expansions at high temperature. We find that within errors the lattice results are remarkably compatible with the next-to-leading order perturbative result.},
doi = {10.1103/PhysRevD.102.074503},
journal = {Physical Review D},
number = 7,
volume = 102,
place = {United States},
year = {2020},
month = {10}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1103/PhysRevD.102.074503

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