Observational analysis reveals instability in magnetic field dynamics within quark-gluon plasma, suggesting limited impact on long-term behavior.
Relaxation of the magnetic field in rigidly rotating quark-gluon plasma is studied. It is shown that the infrared modes satisfying k < |m|Ω and k< |m± 1|Ω, where integer m is the projection of the orbital angular momentum along the rotating axis and Ω is the angular velocity, are unstable. The instability onset time and the magnetic field growth rate are computed for a standard initial profile of the magnetic field. Given the present phenomenological values of Ω and electrical conductivity σ the instability is not expected to be a significant factor in the field's time evolution.
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Das et al. (2025) studied this question.
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