Mode-coupling theory for heteropolymers

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We study the Langevin dynamics of a heteropolymer by means of a mode-coupling approximation scheme, giving rise to a set of coupled integro-differential equations relating the response and correlation functions. The analysis shows that there is a regime at low temperature characterized by out-of-equilibrium dynamics, with violation of time-translational invariance and of the fluctuation-dissipation theorem. The onset of ageing dynamics at low temperatures gives new insight into the nature of the slow dynamics of a disordered polymer. We also introduce a renormalization-group treatment of our mode-coupling equations, which supports our analysis, and might be applicable to other systems.
23 pages

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Disordered Systems and Neural Networks, Soft Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/29850

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9910431
 http://arxiv.org/abs/cond-mat/9910431

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arXiv