Out-of-equilibrium dynamics of coherent non-Abelian gauge fields

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Publication Details

Output type: Journal article

Author list: Berges J, Scheffler S, Schlichting S, Sexty D

Publisher: American Physical Society

Publication year: 2012

Journal: Physical Review D (1550-7998)

Volume number: 85

Issue number: 3

ISSN: 1550-7998

eISSN: 1550-2368

Languages: English-Great Britain (EN-GB)

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Open access status: green

Full text URL: https://arxiv.org/pdf/1111.2751

Abstract

We study out-of-equilibrium dynamics of intense non-Abelian gauge fields. Generalizing the well-known Nielsen-Olesen instabilities for constant initial color-magnetic fields, we investigate the impact of temporal modulations and fluctuations in the initial conditions. This leads to a remarkable coexistence of the original Nielsen-Olesen instability and the subdominant phenomenon of parametric resonance. Taking into account that the fields may be correlated only over a limited transverse size, we model characteristic aspects of the dynamics of color flux tubes relevant in the context of heavy-ion collisions.

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