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Physical Review E
The Kardar-Parisi-Zhang (KPZ) equation with infinitesimal surface tension, dynamically develops sharply connected valley structures within which the height derivative is not continuous. We discuss the intermittency issue in the problem of stationary state forced KPZ equation in 1+1--dimensions. It is proved that the moments of height increments C_a = < | h (x_1) - h (x_2) |^a > behave as |x_1 -x_2|^ξ_a with ξ_a = a for length scales |x_1-x_2| << σ. The length scale σ is the characteristicdoi:10.1103/physreve.70.031101 pmid:15524500 fatcat:uoa2gpxe4fgs7dvirw7t5okn5y