2016
DOI: 10.1103/physreve.93.033106
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Turbulent Prandtl number in theAmodel of passive vector admixture

Abstract: Using the field theoretic renormalization group technique in the second-order (two-loop) approximation the explicit expression for the turbulent vector Prandtl number in the framework of the general A model of passively advected vector field by the turbulent velocity field driven by the stochastic Navier-Stokes equation is found as the function of the spatial dimension d>2. The behavior of the turbulent vector Prandtl number as the function of the spatial dimension d is investigated in detail especially for th… Show more

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Cited by 20 publications
(90 citation statements)
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“…The inequality ∆ (n,0) < ∆ (p,0) + ∆ (k,0) , which follows from both explicit one-loop expressions (26) and (27), indicates, that the operators F (n,0) demonstrate a "multifractal" behavior; see [41].…”
Section: Operator Product Expansionmentioning
confidence: 99%
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“…The inequality ∆ (n,0) < ∆ (p,0) + ∆ (k,0) , which follows from both explicit one-loop expressions (26) and (27), indicates, that the operators F (n,0) demonstrate a "multifractal" behavior; see [41].…”
Section: Operator Product Expansionmentioning
confidence: 99%
“…Both expressions (26) and (27) suppose higher order corrections in y and ε. Therefore, the infinite set of operators with negative critical dimensions, whose spectra is unbounded from below, is observed.…”
Section: Tracer Fieldmentioning
confidence: 99%
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“…The RG analysis of the field theoretic model described by the action functional (5) is based on analysis of UV divergences of the model. The detailed analysis is given in [15].…”
Section: Mathematical Model Of the Turbulent Systemmentioning
confidence: 99%
“…(6.39) gives the desired asymptotic behavior of the scaling functions 40) where the summation runs over all the Galilean invariant scalar operators (including operators with derivatives, etc. ), with the coefficient functions A F analytical in their arguments.…”
Section: E Operator Product Expansion and Anomalous Scalingmentioning
confidence: 99%