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Diffusion and Multiplication in Random Media

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Academic year: 2021

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TABLE I: Asymptotic growth laws for some of the population dynamics (numerical factors are omitted)
FIG. 1: An illustration of the WKB method: the random landscape η(x) starting from the value 0 at the origin x = 0 crosses for the first time the energy level E = E/ √
TABLE II: Asymptotic growth laws in a Gaussian random landscape. In order to regularize short scale fluctuations in d ≥ 2, the Gaussian free field is defined on a lattice

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