Structures and intermittency in a passive scalar model
classification
chao-dyn
nlin.CD
keywords
modelpassivescalarstructuresaroundcomparedexpansionexponents
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A one-dimensional white-in-time passive scalar model is introduced. Strong and persistent structures are shown to be present. A perturbative expansion for the scaling exponents is performed around a Gaussian limit of the model. The resulting predictions are compared with numerical simulations.
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