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Peer-reviewedCC BY 4.0Journal of High Energy Physics

Static linear response of hot and dense QCD matter to electromagnetic fields: leading hard and soft QCD corrections

  • Osvaldo Ferreira1,2
  • Eduardo S. Fraga2
  • Tyler Gorda3,4
  • Risto Paatelainen5,6
  • Leon Sandbote6
  • Kaapo Seppänen7
7 affiliations
  1. 1Universidade de São Paulo
  2. 2Universidade Federal do Rio de Janeiro
  3. 3Ohio State University
  4. 4The Ohio State University
  5. 5University of Turku
  6. 6University of Helsinki
  7. 7University of Bern
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Abstract

We compute the static electromagnetic susceptibilities of a hot and dense quark-gluon plasma using perturbative Quantum Chromodynamics (QCD). Our evaluation includes the leading 𝒪(αs) correction as well as the leading soft, resummed contribution of 𝒪(αs3/2) within electrostatic QCD. By matching to Lattice QCD at vanishing baryon chemical potential through Lattice perturbation theory, we establish a connection between perturbative results and Lattice simulations and assess the size of higher-order corrections. This extends the electromagnetic susceptibilities to finite baryon chemical potential, where Lattice methods are not applicable and establishes first-principle constraints on the quark-gluon plasma’s electromagnetic response at temperatures and densities relevant for intermediate-energy heavy-ion collisions.

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Cite

BibTeXRIS
BibTeX
@article{ferreira2026static,
  title = {{Static linear response of hot and dense QCD matter to electromagnetic fields: leading hard and soft QCD corrections}},
  author = {Osvaldo Ferreira and Eduardo S. Fraga and Tyler Gorda and Risto Paatelainen and Leon Sandbote and Kaapo Seppänen},
  journal = {Journal of High Energy Physics},
  year = {2026},
  month = nov,
  doi = {10.1007/jhep11(2026)034},
  url = {https://link.springer.com/article/10.1007/JHEP11(2026)034},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Static linear response of hot and dense QCD matter to electromagnetic fields: leading hard and soft QCD corrections
AU  - Osvaldo Ferreira
AU  - Eduardo S. Fraga
AU  - Tyler Gorda
AU  - Risto Paatelainen
AU  - Leon Sandbote
AU  - Kaapo Seppänen
PY  - 2026
DA  - 2026/11/04
JO  - Journal of High Energy Physics
DO  - 10.1007/jhep11(2026)034
UR  - https://link.springer.com/article/10.1007/JHEP11(2026)034
AB  - We compute the static electromagnetic susceptibilities of a hot and dense quark-gluon plasma using perturbative Quantum Chromodynamics (QCD). Our evaluation includes the leading 𝒪(αs) correction as well as the leading soft, resummed contribution of 𝒪(α_s^3/2) within electrostatic QCD. By matching to Lattice QCD at vanishing baryon chemical potential through Lattice perturbation theory, we establish a connection between perturbative results and Lattice simulations and assess the size of higher-order corrections. This extends the electromagnetic susceptibilities to finite baryon chemical potential, where Lattice methods are not applicable and establishes first-principle constraints on the quark-gluon plasma’s electromagnetic response at temperatures and densities relevant for intermediate-energy heavy-ion collisions.
SN  - 1029-8479
ER  -