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Lattice QCD constraints on the heavy quark diffusion coefficient

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arxiv 2007.10078 v2 pith:TPMCUXNS submitted 2020-07-20 hep-lat hep-phnucl-th

Nora Brambilla , Viljami Leino , Peter Petreczky , Antonio Vairo This is my paper
classification hep-lathep-phnucl-th
keywords coefficientdiffusionheavylatticeorderperturbativequarktemperature
verification ladder T0 review T1 audit T2 compute T3 formal
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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 $1.1 < T / T_c < 10^4$ 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.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Lattice study of correlators of chromoelectric fields for heavy quarkonium dynamics in the quark-gluon plasma

    hep-lat 2025-05 conditional novelty 7.0 of 10

    Adjoint chromoelectric correlators relevant for quarkonium dynamics are calculated in quenched lattice QCD and found to equal the fundamental correlator times Casimir factors, confirming leading-order relations nonper...

  2. Perturbative and nonperturbative properties of heavy quark transport in a thermal SU(3) gluon plasma

    hep-ph 2025-10 conditional novelty 5.0 of 10

    In a gluon plasma near Tc, a temperature-dependent background color field suppresses heavy-quark collisional energy loss and momentum diffusion relative to perturbative QCD.

  3. Adjoint chromoelectric correlators for heavy quarkonium diffusion

    hep-lat 2025-05 conditional novelty 4.0 of 10

    First lattice measurement of adjoint chromoelectric correlators shows they scale with the fundamental heavy-quark diffusion correlator by the perturbative factors 5/4 and 9/4.

  4. Coherent State Path Integral Reveals Unexpected Vacuum Structure in Thermal Field Theory

    hep-th 2025-07 reject novelty 3.0 of 10

    A coherent-state derivation of the thermal partition function yields extra vacuum and mass-coupling terms that the authors claim are novel, though these terms reflect the chosen operator ordering.

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