How Disoriented Chiral Condensates Form: Quenching vs. Annealing

Details How Disoriented Chiral Condensates Form: Quenching vs. Annealing How Disoriented Chiral Condensates Form: Quenching vs. Annealing

1994-08-16

arxiv.org/abs/hep-ph/9408299v1

Phys.Rev.Lett. 74 (1995) 3126-3129

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 3 uuencoded postscript figures included, REVTEX, LBL-35981. All figures can be printed with any postscript printer.

Scientific paper

10.1103/PhysRevLett.74.3126

We demonstrate that semiclassical fluctuations, their relaxation, and the chiral phase transition are automatically incorporated in the numerical simulations of the classical equations of motion in the linear $\sigma$-model when longitudinal and transverse expansions are included. We find that domains of disoriented chiral condensate with 4--5 fm in size can form through a quench while an annealing leads to domains of smaller sizes. We also demonstrate that quenching cannot be achieved by relaxing a chirally symmetric system through expansion.

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