Manifestations of magnetic vortices in the equation of state of a Yang-Mills plasma

The vacuum of Yang-Mills theory contains singular stringlike objects identified with center (magnetic) vortices. Percolation of magnetic vortices is known to be responsible for the color confinement in the low-temperature phase of the theory. In our work, we study properties of the vortices at finit...

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Veröffentlicht in:	Physical review. D, Particles and fields Particles and fields, 2008-10, Vol.78 (7), Article 074021
Hauptverfasser:	Chernodub, M. N., Nakamura, Atsushi, Zakharov, V. I.
Format:	Artikel
Sprache:	eng
Schlagworte:	COLOR MODEL COMPUTERIZED SIMULATION CONFINEMENT ENERGY-MOMENTUM TENSOR EQUATIONS OF STATE GAUGE INVARIANCE GLUONS LATTICE FIELD THEORY MAGNETIC FLUX PHYSICS OF ELEMENTARY PARTICLES AND FIELDS PLASMA QUARK MATTER QUARKS SU-2 GROUPS VORTICES YANG-MILLS THEORY
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container_title	Physical review. D, Particles and fields
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creator	Chernodub, M. N. Nakamura, Atsushi Zakharov, V. I.
description	The vacuum of Yang-Mills theory contains singular stringlike objects identified with center (magnetic) vortices. Percolation of magnetic vortices is known to be responsible for the color confinement in the low-temperature phase of the theory. In our work, we study properties of the vortices at finite temperature using lattice simulations of SU(2) gauge theory. We show that magnetic vortices provide a numerically large contribution to thermodynamic quantities of the gluon plasma in Yang-Mills theory. In particular, we observe that in the deconfinement phase at temperatures T{sub c}
doi_str_mv	10.1103/PhysRevD.78.074021
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The thermodynamical significance of the magnetic objects allows us to suggest that the quark-gluon plasma may contain a developed network of magnetic flux tubes. The existence of the vortex network may lead to observable effects in the quark-gluon plasma because the chromomagnetic field of the vortices should scatter and drag quarks.</description><identifier>ISSN: 1550-7998</identifier><identifier>ISSN: 0556-2821</identifier><identifier>EISSN: 1550-2368</identifier><identifier>EISSN: 1089-4918</identifier><identifier>DOI: 10.1103/PhysRevD.78.074021</identifier><language>eng</language><publisher>United States</publisher><subject>COLOR MODEL ; COMPUTERIZED SIMULATION ; CONFINEMENT ; ENERGY-MOMENTUM TENSOR ; EQUATIONS OF STATE ; GAUGE INVARIANCE ; GLUONS ; LATTICE FIELD THEORY ; MAGNETIC FLUX ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; PLASMA ; QUARK MATTER ; QUARKS ; SU-2 GROUPS ; VORTICES ; YANG-MILLS THEORY</subject><ispartof>Physical review. 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D, Particles and fields</title><description>The vacuum of Yang-Mills theory contains singular stringlike objects identified with center (magnetic) vortices. Percolation of magnetic vortices is known to be responsible for the color confinement in the low-temperature phase of the theory. In our work, we study properties of the vortices at finite temperature using lattice simulations of SU(2) gauge theory. We show that magnetic vortices provide a numerically large contribution to thermodynamic quantities of the gluon plasma in Yang-Mills theory. In particular, we observe that in the deconfinement phase at temperatures T{sub c}<T < or approx. 3T{sub c} the magnetic component of the gluon plasma produces a negative (ghostlike) contribution to the anomaly of the energy-momentum tensor. In the confinement phase, the vortex contribution is positive. 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subjects	COLOR MODEL COMPUTERIZED SIMULATION CONFINEMENT ENERGY-MOMENTUM TENSOR EQUATIONS OF STATE GAUGE INVARIANCE GLUONS LATTICE FIELD THEORY MAGNETIC FLUX PHYSICS OF ELEMENTARY PARTICLES AND FIELDS PLASMA QUARK MATTER QUARKS SU-2 GROUPS VORTICES YANG-MILLS THEORY
title	Manifestations of magnetic vortices in the equation of state of a Yang-Mills plasma
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