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On the origin of mixed inhomogeneous phase in vortical gluon plasma
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On the origin of mixed inhomogeneous phase in vortical gluon plasma
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Recently, lattice simulations of SU(3) Yang-Mills theory revealed that rotating hot gluon matter in thermal equilibrium possesses a novel inhomogeneous phase consisting of the deconfinement phase located in the center region, which is spatially separated from the confinement phase in the periphery. This inhomogeneous two-phase structure is also expected to be produced by vorticity in quark-gluon plasma formed in non-central relativistic heavy-ion collisions. We show that its vortical properties are determined by two types of couplings of the angular velocity to the gluon fields: a linear coupling to the mechanical angular momentum of gluons and a quadratic ``magnetovortical'' coupling to a chromomagnetic component. We demonstrate numerically that the distinctive inhomogeneous structure of the vortical (quark-)gluon plasma is determined by the latter, while the former plays only a subleading role. We argue that the anisotropy of the gluonic action in the curved co-rotating background can quantitatively explain the remarkable property that the spatial structure of this inhomogeneous phase disobeys the picture based on a straightforward implementation of the Tolman-Ehrenfest law. We also support our findings with Monte Carlo simulations of Yang-Mills plasma at the real-valued angular frequency, which take into account only the magnetic part of the action.
Forward citations
Cited by 7 Pith papers
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Spatially inhomogeneous confinement-deconfinement phase transition in rotating QGP
First-principles lattice simulations identify a spatially inhomogeneous confinement-deconfinement transition in rotating gluon plasma, with confinement localizing at the periphery for real angular velocities.
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Lattice simulations find spatially inhomogeneous confinement-deconfinement transition in weakly accelerated SU(3) gluodynamics, with phase boundary following TE prediction and unchanged critical temperature.
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Spatial confinement-deconfinement transition in accelerated gluodynamics within lattice simulation
Lattice simulations in Rindler spacetime show that acceleration turns the confinement-deconfinement transition in gluodynamics into a spatial crossover that approximately follows the Tolman-Ehrenfest law, while the cr...
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Static Quark-Antiquark Interactions Under Rotation
In quenched SU(3) lattice gluodynamics, imaginary rotation suppresses bare Polyakov free energies above Tc with a bulk shift well fit by A R_xy^2 + B, while the T≈0 static potential shows no significant rotation dependence.
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A Chromomagnetic Mechanism for the Rotational Phase Transition of Gluonic Matter
Using a rotation–magnetic holographic dictionary calibrated to lattice QCD, the paper predicts real rotation raises T_c and induces a negative total moment of inertia in pure gluonic matter near deconfinement.
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Thermal Gauge Theory for a Rotating Plasma
A path-integral framework extends thermal field theory with rotation and chemical potentials to all gauge theories, with generalized KMS conditions and closed-form gauge and ghost propagators.
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Linear sigma model with quarks and Polyakov loop in rotation: phase diagrams, Tolman-Ehrenfest law and mechanical properties
Rotation lowers critical temperatures for chiral and deconfinement transitions in the Polyakov linear sigma model under causality constraints, with mechanical properties computed in the homogeneous limit.
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