Chakrabarti, Bikas K. ; Chattopadhyay, Amit K. ; Dutta, Amit (2004) Dynamics of linear polymers in random media Physica A: Statistical and Theoretical Physics, 333 . pp. 34-40. ISSN 0378-4371
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S03784...
Related URL: http://dx.doi.org/10.1016/j.physa.2003.10.047
Abstract
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 disorders are also discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Polymers; Reptation; Percolation; Scaling |
| ID Code: | 44822 |
| Deposited On: | 23 Jun 2011 07:55 |
| Last Modified: | 23 Jun 2011 07:55 |
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