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Domain Coarsening in Systems Far from Equilibrium

Cross, M. C. and Meiron, D. I. (1995) Domain Coarsening in Systems Far from Equilibrium. Physical Review Letters, 75 (11). pp. 2152-2155. ISSN 0031-9007.

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The growth of domains of stripes evolving from random initial conditions is studied in numerical simulations of models of systems far from equilibrium such as Rayleigh-Bénard convection. The size of the domains deduced from the inverse width of the Fourier spectrum is found to scale as t^1/5 for both potential and nonpotential models. The morphology of the domains and the defect structures are, however, quite different in the two cases, and evidence is presented for a second length scale in the nonpotential case growing as t^1/2.

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Additional Information:©1995 The American Physical Society Received 27 April 1995 This work was supported by the National Science Foundation through Grant No. DMR-9013984, by the DOE through Grant No. DE-FG03-89ER25073, and by a generous award of computer time from the San Diego Supercomputer Center. We thank David Huse for useful discussions.
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Deposited On:29 Mar 2006
Last Modified:18 Sep 2014 18:11

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