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  • Open Access

Effective running coupling constant and jet quenching parameter in a spinning background from holography

Zhou-Run Zhu1,*, Sheng Wang2,†, Man-Li Tian3,‡, and Defu Hou2,§

  • *Contact author: zhuzhourun@zknu.edu.cn
  • †Contact author: shengwang@mails.ccnu.edu.cn
  • ‡Contact author: 20252018@zknu.edu.cn
  • §Contact author: houdf@mail.ccnu.edu.cn
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Phys. Rev. D 113, 066014 – Published 24 March, 2026

DOI: https://doi.org/10.1103/s8dq-486v

Abstract

In this work, we study the effective running coupling constant of heavy quark pair and jet quenching parameter in the spinning background. Ultralocally, the boosted fluid is described by the boosted parameter and dual to a globally rotating system. Our results show that the angular momentum suppresses the effective running coupling constant and reduces its maximum value. The results demonstrate that the angular momentum promotes the dissociation of quarkonium and has a stronger effect on the effective running coupling constant when the axis of QQ¯ is transverse to the direction of the angular momentum. We also find that the angular momentum enhances the jet quenching parameter and has a stronger effect when the jet moves transversely to the direction of the angular momentum, namely q^⊥>q^∥. We discuss the dependence of the jet quenching parameter on the η/s at strong coupling in the presence of the angular momentum.

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Phys. Rev. D 113, 066014– Published 24 March, 2026
  • Received 26 December 2025
  • Accepted 27 February 2026
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