From Langevin to generalized Langevin equations for the nonequilibrium Rouse model

Autor:	Maes, Christian, Thomas, Simi R.
Rok vydání:	2012
Předmět:	Condensed Matter - Statistical Mechanics Condensed Matter - Soft Condensed Matter
Zdroj:	Physical Review E 87, 022145 (2013)
Druh dokumentu:	Working Paper
DOI:	10.1103/PhysRevE.87.022145
Popis:	We investigate the nature of the effective dynamics and statistical forces obtained after integrating out nonequilibrium degrees of freedom. To be explicit, we consider the Rouse model for the conformational dynamics of an ideal polymer chain subject to steady driving. We compute the effective dynamics for one of the many monomers by integrating out the rest of the chain. The result is a generalized Langevin dynamics for which we give the memory and noise kernels and the effective force, and we discuss the inherited nonequilibrium aspects. Comment: 12 pages, 1 figure
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1210.5068 Zobrazit plný text záznamu View this record from Arxiv