Convergence of perturbation series for renormalization constants in Kraichnan model with "frozen" velocity field
classification
❄️ cond-mat.stat-mech
keywords
convergenceexpansionfieldfrozenkraichnanmodelperturbationrenormalization
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Instanton was found for Kraichnan model with 'frozen' velocity field. Large order asymptotic of quantum-field perturbation expansion for renormalization constant $Z_\nu$ was investigated. It was shown that this expansion is convergent one. The radius of convergence was calculated.
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