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2007 2003 2000

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First Order Transition in the Ginzburg-Landau Model

   Philippe Curty, Hans Beck
   Phys. Rev. Lett. 85, 796 (2000)   [PDF source (96.43KB)] [database]  
Abstract The d-dimensional complex Ginzburg-Landau (GL) model is solved according to a variational method by separating phase and amplitude. The GL transition becomes first order for high superfluid density because of effects of phase fluctuations. We discuss its origin with various arguments showing that, in particular for d = 3, the validity of our approach lies precisely in the first order domain.
Type article
Date 29 Aug 2000