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Front Propagation In Random Media: From Extremal To Activated Dynamics

Author

Listed:
  • RUNE SKOE

    (Unité Mixte CNRS/Saint-Gobain "Surface du Verre et Interfaces", 39 Quai Lucien Lefranc, 93303 Aubervilliers Cedex, France)

  • DAMIEN VANDEMBROUCQ

    (Unité Mixte CNRS/Saint-Gobain "Surface du Verre et Interfaces", 39 Quai Lucien Lefranc, 93303 Aubervilliers Cedex, France)

  • STÉPHANE ROUX

    (Unité Mixte CNRS/Saint-Gobain "Surface du Verre et Interfaces", 39 Quai Lucien Lefranc, 93303 Aubervilliers Cedex, France)

Abstract

Front propagation in a random environment is studied close to the depinning threshold. At zero temperature we show that the depinning force distribution exhibits a universal behavior. This property is used to estimate the velocity of the front at very low temperature. We obtain a Arrhenius behavior with a prefactor depending on the temperature as a power law. These results are supported by numerical simulations.

Suggested Citation

  • Rune Skoe & Damien Vandembroucq & Stéphane Roux, 2002. "Front Propagation In Random Media: From Extremal To Activated Dynamics," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 13(06), pages 751-757.
    • Handle: RePEc:wsi:ijmpcx:v:13:y:2002:i:06:n:s0129183102003565
    DOI: 10.1142/S0129183102003565
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