The universal trend of the non-exponential Rouse mode relaxation in polymer systems: a theoretical interpretation based on a generalized Langevin equation

We show that the universal behavior of the Rouse-mode relaxation in polymer systems - which has been recently reported from experimental data [S. Arrese-Igor, et al., Phys. Rev. Lett., 2014, 113, 078302] - can be quantitatively explained in the framework of a theoretical approach based on: (i) a gen...

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Bibliographic Details
Published in:Soft matter 2015-07, Vol.11 (28), p.5614-5618
Main Author: Colmenero, J
Format: Article
Language:English
Subjects:
Chain dynamics
Dynamical systems
Dynamics
Formalism
Joining
Mathematical analysis
Trends
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Summary:We show that the universal behavior of the Rouse-mode relaxation in polymer systems - which has been recently reported from experimental data [S. Arrese-Igor, et al., Phys. Rev. Lett., 2014, 113, 078302] - can be quantitatively explained in the framework of a theoretical approach based on: (i) a generalized Langevin equation formalism and (ii) a memory function which takes into account the coupling between intra-chain dynamics and collective dynamics. This approach opens the way for generalizing the magnitudes probing chain dynamics in polymer systems.
ISSN:1744-683X
1744-6848
DOI:10.1039/c5sm00790a