Dynamics of linear polymers in random media

Details Dynamics of linear polymers in random media Dynamics of linear polymers in random media

2001-11-15

arxiv.org/abs/cond-mat/0111285v1

Physics

Condensed Matter

Soft Condensed Matter

4 pages, no figures

Scientific paper

We study phenomenological scaling theories of the polymer dynamics in random media, employing the existing scaling theories of polymer chains and the percolation statistics. We investigate both the Rouse and the Zimm model for Brownian dynamics and estimate the diffusion constant of the center-of-mass of the chain in such disordered media. For internal dynamics of the chain, we estimate the dynamic exponents. We propose similar scaling theory for the reptation dynamics of the chain in the framework of Flory theory for the disordered medium. The modifications in the case of correlated disordered are also discussed.

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