Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-04-08
Physics
High Energy Physics
High Energy Physics - Phenomenology
9 pages, 4 figures (3 in color). submitted to Physical Review D
Scientific paper
We investigate the effect of friction on domain formation in disoriented chiral condensate. Including a friction term, we solve the equation of motion of the linear sigma model fields, in the Hartree approximation. With boost-invariance and cylinderical symmetry, irrespective of friction, on average, we donot find any indication of domain like formation with quenched initial condition. However, with or without friction, some events can be found with large instabilities, indicating possible DCC domain formation in those events. With friction time scale during which instabilities grows increases. Correspondingly, with friction, it is possible to obtain large sized domains in some particular events.
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