PMID: 11308842Apr 20, 2001Paper

Mode-coupling theory for heteropolymers

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
E Pitard, E I Shakhnovich

Abstract

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 aging dynamics at low temperatures gives 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.

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Citations

Mar 17, 2007·The Journal of Chemical Physics·Stefan SchnabelWolfhard Janke
Jan 20, 2007·The European Physical Journal. E, Soft Matter·Y V Kudryavtsev, E N Govorun
Jul 23, 2004·The Journal of Chemical Physics·Michael Bachmann, Wolfhard Janke
Dec 12, 2001·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Z KonkoliS Franz
Mar 23, 2002·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Nikolay V DokholyanH Eugene Stanley
Jun 6, 2003·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Z Konkoli, J Hertz

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