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Homogenization with Large Spatial Random Potential
Multiscale Modeling & simulation
We consider the homogenization of parabolic equations with large spatiallydependent potentials modeled as Gaussian random fields. We derive the homogenized equations in the limit of vanishing correlation length of the random potential. We characterize the leading effect in the random fluctuations and show that their spatial moments converge in law to Gaussian random variables. Both results hold for sufficiently small times and in sufficiently large spatial dimensions d ≥ m, where m is the orderdoi:10.1137/090754066 fatcat:dp5m6roskfhszfvu2y5bhqfese