Evolution of the Structure Factors in Pure SU(N) Lattice Gauge Theory and Effective Spin Models

Details Evolution of the Structure Factors in Pure SU(N) Lattice Gauge Theory and Effective Spin Models Evolution of the Structure Factors in Pure SU(N) Lattice Gauge Theory and Effective Spin Models

2005-09-13

arxiv.org/abs/hep-lat/0509040v1

Int.J.Mod.Phys. A20 (2005) 3459-3468

Physics

High Energy Physics

High Energy Physics - Lattice

10 pages, 9 figures

Scientific paper

10.1142/S0217751X05026777

We consider model A dynamics for a quench from the disordered into the ordered phase of SU(3) lattice gauge theory and the analogue 3d 3-state Potts model. For the gauge model this corresponds to a rapid heating from the confined to the deconfined phase. The exponential growth factors of low-lying structure function modes are numerically calculated. The linear theory of spinodal decomposition is used to determine the critical modes. This allows for the Debye screening mass estimation in an effective phenomenological model. The quench leads to competing vacuum domains, which make the equilibration of the QCD vacuum after the heating non-trivial. The influence of such domains on the gluonic energy density is studied.

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