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Topologically nontrivial time-dependent chiral condensates
Topologically nontrivial time-dependent solutions of the classical nonlinear
sigma model are studied as candidates of the disoriented chiral condensate
(DCC) in 3+1 dimensions. Unlike the analytic solutions so far discussed, these
solutions cannot be transformed into isospin-uniform ones by chiral rotations.
If they are produced as DCC's, they can be detected by a distinct pattern in
the angle-rapidity distribution of the neutral-to-chrged-pion ratio.Comment: 11 pages, 3 figures available upon request to autho