Order parameter fragmentation after a symmetry-breaking transition

Year: 1999

Authors: Ducci S., Ramazza P.L., Gonzalez-Vinas W., Arecchi F.T.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy and INFM, Unità di Firenze;
Department of Physics and Applied Mathematics, University de Navarra, 31080 Pamplona, Spain

Abstract: As a nonlinear optical system consisting of a Kerr medium inserted in a feedback loop is exposed to a light intensity growing linearly from below to above the threshold for pattern formation, the critical slowing down around threshold freezes the defect population. The measured number of defects immediately after the transition scales with the quench time as predicted by Zurek for a two-dimensional Ginzburg-Landau model. The further temporal evolution of the defect number is in agreement with a simple annihilation model, once the drift of defects specific for our system is taken into account.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 83 (25)      Pages from: 5210  to: 5213

KeyWords: OPTICAL-PATTERN FORMATION; VORTEX FORMATION; FEEDBACK MIRROR; GENERATION;
DOI: 10.1103/PhysRevLett.83.5210

Citations: 86
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