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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 | Abstract: | We 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 | Services: | Forum | Review | PDF | Favorites |
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