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Nonlinear critical slowing down of the one-component Ginzburg-Landau field |
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| Authors: | R Bausch E Eisenriegler H K Janssen |
| Institution: | (1) Institut für Festkörperforschung, Kernforschungsanlage Jülich GmbH, Postfach 1913, D-5170 Jülich 1, Federal Republic of Germany;(2) Present address: Institut für Theoretische Physik, Universität Düsseldorf, Universitätsstrasse 1 Geb. 25.32, D-4000 Düsseldorf, Federal Republic of Germany |
| Abstract: | We discuss nonlinear relaxation processes of the one-component Ginzburg-Landau field that occur near the critical point after a sudden change in temperature or in the symmetry breaking field. A universal form of the equation of motion for the order parameter at the one-loop level is derived and integrated for several cases of interest. From the results some characteristic universal amplitude ratios can be extracted. |
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