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<p>Lattice simulations reveal that the deconfinement-confinement phase transition (PT) of the hot pure SU(<i>N</i> &gt; 2) Yang-Mills system is first order. This system can be described by a pool of quasigluons moving in the Polyakov loop background, and in this picture, we establish an effective distribution function for quasigluons, which encodes interactions among quasigluons and in particular the confinement effect. With it, we made the first attempt to calculate the confinement bubble wall velocity <i>v</i><sub><i>w</i></sub> at the microscopical level, and we obtained a small velocity <i>v</i><sub><i>w</i></sub> ~ 0.04 using two different approaches, which is qualitatively consistent with others results like holography.</p>

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Confinement bubble wall velocity via quasiparticle determination

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年5月7日

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  • Zhaofeng Kang,
  • Jiang Zhu

摘要

Lattice simulations reveal that the deconfinement-confinement phase transition (PT) of the hot pure SU(N > 2) Yang-Mills system is first order. This system can be described by a pool of quasigluons moving in the Polyakov loop background, and in this picture, we establish an effective distribution function for quasigluons, which encodes interactions among quasigluons and in particular the confinement effect. With it, we made the first attempt to calculate the confinement bubble wall velocity vw at the microscopical level, and we obtained a small velocity vw ~ 0.04 using two different approaches, which is qualitatively consistent with others results like holography.