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28 March 2024
 
  » arxiv » 1302.1313

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Non-Abelian color fields from relativistic color charge configurations in the classical limit
W. Cassing ; V.V. Goloviznin ; S.V. Molodtsov ; A.M. Snigirev ; V.D. Toneev ; V. Voronyuk ; G.M. Zinovjev ;
Date 6 Feb 2013
AbstractWe study the dynamics of color fields as generated by simple configurations of relativistic particles with Abelian and non-Abelian (SU(2)) charges in the classical limit. We find that chromodynamic (non-Abelian) systems generally show Coulomb-like features by analogy with electrodynamics. A peculiar feature in the non-Abelian case is the additional strength of the chromoelectric and chromomagnetic fields caused by the contribution of changing the color charge. This change of color SU(2) charges results in a rotation of the color vector which is getting very fast at close partonic distances. The presence of this non-Abelian additional term in the chromoelectric and chromomagnetic fields creates also a ’color charge glow’, a significant contribution to the interaction of the partons due to the time dependence of the color charge. This situation is especially relevant to the very initial phase of ultra-relativistic heavy-ion collisions, where the initial partonic state is governed by high (non-equilibrium) parton densities and strong local color fluctuations.
Source arXiv, 1302.1313
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