Effect of friction on disoriented chiral condensate formation

Details Effect of friction on disoriented chiral condensate formation Effect of friction on disoriented chiral condensate formation

1998-09-08

arxiv.org/abs/nucl-th/9809018v1

Phys.Rev. D59 (1999) 117503

Physics

Nuclear Physics

Nuclear Theory

9 pages, including figures

Scientific paper

10.1103/PhysRevD.59.117503

We have investigated the effect of friction on the DCC domain formation. We solve the Newton equation of motion for the O(4) fields, with quenched initial condition. The initial fields are randomly distributed in a Gaussian form. In one dimensional expansion, on the average, large DCC domains can not be formed. However, in some particular orbits, large instabilities may occur. This possibility also greatly diminishes with the introduction of friction. But, if the friction is large, the system may be overdamped and then, there is a possibility of large DCC domain formation in some events.

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