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  • Open Access

Radiative corrections on vortical spin polarization in hot QCD matter

Shuo Fang1,2,*, Shi Pu3,4,†, and Di-Lun Yang5,6,‡

  • *Contact author: fangshuo@mail.ustc.edu.cn
  • †Contact author: shipu@ustc.edu.cn
  • ‡Contact author: dilunyang@gmail.com
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Phys. Rev. D 112, 014038 – Published 22 July, 2025

DOI: https://doi.org/10.1103/tds1-793m

Abstract

We investigate the radiative corrections on spin polarization of relativistic fermions induced by vortical fields in thermal-equilibrium QCD matter at weak coupling. Such corrections stem from the self-energy gradients in quantum kinetic theory, which are further obtained by a more systematic and general approach through the Keldysh equation. By applying the hard-thermal-loop approximation, we obtain new corrections upon the spin-polarization spectrum and also the axial-charge current in connection to the axial/chiral vortical effect for massive quarks up to the leading order of the QCD coupling. Further influence on spin alignment of vector mesons from similar effects is also analyzed.

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Phys. Rev. D 112, 014038– Published 22 July, 2025
  • Received 2 April 2025
  • Accepted 1 July 2025
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