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We provide numerical evidence that hydrodynamic interactions are screened forcharged polymers in salt solution on time scales below the Zimm time. At veryshort times, a crossover to hydrodynamic behavior is observed. Our conclusionsare drawn from extensive coarse-grained computer simulations ofpolyelectrolytes in explicit solvent and explicit salt, and discussed in termsof analytical arguments based on the Debye-Hueckel approximation.

Screening of hydrodynamic interactions for polyelectrolytes in salt solution