A Scaling Limit Theorem for the Parabolic Anderson Model with Exponential Potential

  • Hubert Lacoin
  • Peter Mörters
Conference paper
Part of the Springer Proceedings in Mathematics book series (PROM, volume 11)


The parabolic Anderson problem is the Cauchy problem for the heat equation with random potential and localized initial condition. In this paper, we consider potentials which are constant in time and independent exponentially distributed in space. We study the growth rate of the total mass of the solution in terms of weak and almost sure limit theorems, and the spatial spread of the mass in terms of a scaling limit theorem. The latter result shows that in this case, just like in the case of heavy tailed potentials, the mass gets trapped in a single relevant island with high probability.


Variational Problem Moment Generate Function Continuous Time Random Walk Exponential Potential Brownian Path 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.CEREMADE, Université Paris DauphineParisFrance
  2. 2.University of BathBathUK

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