Scaling and vortex dynamics after the quench of a system with a continuous symmetry

M. Mondello, Nigel Goldenfeld

Research output: Contribution to journalArticle

Abstract

We study the dynamics of a system with a nonconserved complex order parameter, following a deep quench. In contrast to the case when the order parameter has a discrete symmetry, we observe an effective value of the dynamical exponent at early times of =0.375±0.005. In this regime, finite-size scaling of the scattering function is observed. At later times, we observe a crossover to =0.5±0.02. Our results indicate that any renormalization of the kinetic coefficient must be small.

Original languageEnglish (US)
Pages (from-to)5865-5872
Number of pages8
JournalPhysical Review A
Volume42
Issue number10
DOIs
StatePublished - Jan 1 1990

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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