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The Kardar-Parisi-Zhang (KPZ) equation with infinitesimal surface tension,dynamically develops sharply connected valley structures within which theheight derivative is not continuous. We discuss the intermittency issue in theproblem of stationary state forced KPZ equation in 1+1--dimensions. It isproved that the moments of height increments $C_a = < | h (x_1) - h (x_2) |^a >$ behave as $ |x_1 -x_2|^{\xi_a}$ with $\xi_a = a$ for length scales $|x_1-x_2|<< \sigma$. The length scale $\sigma$ is the characteristic length of theforcing term. We have checked the analytical results by direct numericalsimulation.Comment: 13 pages, 9 figure

physical review. e, statistical, nonlinear and soft matter physics

Intermittency of height fluctuations in stationary state of the Kardar-Parisi-Zhang equation with infinitesimal surface tension in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mn>1</mml:mn><mml:mo>+</mml:mo><mml:mn>1</mml:mn></mml:mrow></mml:math>dimensions

Intermittency of height fluctuations in stationary state of the Kardar-Parisi-Zhang equation with infinitesimal surface tension in1+1dimensions