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Hard Thermal Loop -- theory and applications

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arxiv 2404.08734 v2 pith:T5JKPVL4 submitted 2024-04-12 hep-ph hep-latnucl-th

Hard Thermal Loop -- theory and applications

classification hep-ph hep-latnucl-th
keywords thermalapplicationshardloopquantumtheoryapproximationaspects
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In this review, we present the key aspects of modern thermal perturbation theory based on the hard thermal loop (HTL) approximation, including its theoretical foundations and applications within quantum electrodynamics (QED) and quantum chromodynamics (QCD) plasmas. To maintain conciseness, we focus on scenarios in thermal equilibrium, examining a variety of physical quantities and settings. Specifically, we explore both bulk thermodynamic properties and real-time observables in high-temperature domains relevant to heavy-ion physics.

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Cited by 5 Pith papers

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

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  3. Hard-Region Fermion Self-Energy and Fermion--Photon Vertex in Thermal QED through Two Loops

    hep-ph 2026-06 unverdicted novelty 5.0

    Computes hard-region fermion self-energy and vertex in thermal QED through two loops with symmetry constraints and finds no finite damping-rate contribution from the self-energy terms.

  4. Beyond leading-logarithm photon production from two-loop diagrams in a hot QCD medium

    hep-ph 2026-07 accept novelty 4.0

    Two-loop imaginary-time QCD self-energies yield the same hard-photon LL and BLL rates as kinetic theory for Compton and qq̄ annihilation, with topology II vanishing on-shell but restoring the Ward identity.

  5. Holographic correlation functions of fermions in anisotropic plasma

    hep-th 2026-06 unverdicted novelty 4.0

    Generalizes the holographic prescription for fermionic retarded Green's functions to anisotropic geometries and numerically evaluates direction-dependent features, instabilities, Landau levels, and a pseudogap in thre...