Deconfining Phase Transition under Real Rotation: A Matrix Model Study
Abstract
We construct a matrix model to study the deconfining phase transition for a pure gluon plasma that is confined in a cylinder of radius cal R and rotating rigidly at a real-valued angular velocity Ω, satisfying ℛ Ω<1. The deconfining phase transition arises due to the competition between two terms that constitute the matrix model. The perturbative term comes from the one-loop effective potential computed in the presence of a background field, while the non-perturbative term represents a correction to the perturbative contribution which is brought about by taking into account an effective mass of the gauge fields. Our results show that real rotation induces a radial inhomogeneity of the system and the deconfining temperature Tc drops away from the rotation axis which is consistent with the Tolman-Ehrenfest law. As for the Ω-dependence of Tc, it relies on our assumptions of the gluon effective mass. For a constant mass, Tc is found to always decrease with increasing Ω. A non-monotonic behavior of Tc shows up when a Ω-dependent mass is considered, leading to a qualitative change in the region of small angular velocity. In addition, by setting Ω=0 to eliminate rotational effects, we also demonstrate that the finite-volume effect reduces the deconfining temperature relative to the infinite-volume limit. Comparisons between our results and those from various lattice simulations and phenomenological models suggest that controversy remains over how the deconfining phase transition is modified by real rotation and further work is required to reach a definite conclusion.
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BibTeX
@misc{du2026deconfining,
title = {{Deconfining Phase Transition under Real Rotation: A Matrix Model Study}},
author = {Qianqian Du and Jing He and Yun Guo and Mei Huang and Enke Wang},
howpublished = {arXiv},
year = {2026},
month = sep,
doi = {10.48550/arxiv.2609.05865},
eprint = {2609.05865},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2609.05865},
}
RIS
TY - UNPB
TI - Deconfining Phase Transition under Real Rotation: A Matrix Model Study
AU - Qianqian Du
AU - Jing He
AU - Yun Guo
AU - Mei Huang
AU - Enke Wang
PY - 2026
DA - 2026/09/05
PB - arXiv
DO - 10.48550/arxiv.2609.05865
UR - https://arxiv.org/abs/2609.05865
AB - We construct a matrix model to study the deconfining phase transition for a pure gluon plasma that is confined in a cylinder of radius cal R and rotating rigidly at a real-valued angular velocity Ω, satisfying ℛ Ω<1. The deconfining phase transition arises due to the competition between two terms that constitute the matrix model. The perturbative term comes from the one-loop effective potential computed in the presence of a background field, while the non-perturbative term represents a correction to the perturbative contribution which is brought about by taking into account an effective mass of the gauge fields. Our results show that real rotation induces a radial inhomogeneity of the system and the deconfining temperature T_c drops away from the rotation axis which is consistent with the Tolman-Ehrenfest law. As for the Ω-dependence of T_c, it relies on our assumptions of the gluon effective mass. For a constant mass, T_c is found to always decrease with increasing Ω. A non-monotonic behavior of T_c shows up when a Ω-dependent mass is considered, leading to a qualitative change in the region of small angular velocity. In addition, by setting Ω=0 to eliminate rotational effects, we also demonstrate that the finite-volume effect reduces the deconfining temperature relative to the infinite-volume limit. Comparisons between our results and those from various lattice simulations and phenomenological models suggest that controversy remains over how the deconfining phase transition is modified by real rotation and further work is required to reach a definite conclusion.
ER -