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Nonlinear order-parameter relaxation in the nonlinearσ-model

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Zeitschrift für Physik B Condensed Matter

Abstract

An equation of motion for the order parameter of a relaxational nonlinearσ-model is derived by renormalization-group considerations ind=2+ε dimensions. The result is then used to describe the nonlinear relaxation of the order parameter after switching off an initial symmetry-breaking field below the critical temperature.

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Author notes

  1. R. Bausch & H. K. Janssen

    Present address: Institut für Theoretische Physik, Universität Düsseldorf, Universitätsstraße 1 Gebäude 25.32, D-4000, Düsseldorf, Germany

  2. Y. Yamazaki

    Present address: Department of Applied Physics, Tohoku University, Sendai, Japan

Authors and Affiliations

  1. Institut für Festkörperforschung, Kernforschungsanlage Jülich, Germany

    R. Bausch, H. K. Janssen & Y. Yamazaki

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  1. R. Bausch
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  2. H. K. Janssen
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  3. Y. Yamazaki
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Bausch, R., Janssen, H.K. & Yamazaki, Y. Nonlinear order-parameter relaxation in the nonlinearσ-model. Z Physik B 37, 163–169 (1980). https://doi.org/10.1007/BF01365372

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  • DOI: https://doi.org/10.1007/BF01365372

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