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Phase ordering dynamics of reconstituting particles.

Identifieur interne : 000C35 ( Main/Exploration ); précédent : 000C34; suivant : 000C36

Phase ordering dynamics of reconstituting particles.

Auteurs : F A G Mez Albarracín [Argentine] ; H D Rosales [Argentine] ; M D Grynberg [Argentine]

Source :

RBID : pubmed:28709284

Abstract

We consider the large-time dynamics of one-dimensional processes involving adsorption and desorption of extended hard-core particles (dimers, trimers, ..., k-mers), while interacting through their constituent monomers. Desorption can occur whether or not these latter adsorbed together, which leads to reconstitution of k-mers and the appearance of sectors of motion with nonlocal conservation laws for k≥3. Dynamic exponents of the sector including the empty chain are evaluated by finite-size scaling analyses of the relaxation times embodied in the spectral gaps of evolution operators. For attractive interactions it is found that in the low-temperature limit such time scales converge to those of the Glauber dynamics, thus suggesting a diffusive universality class for k≥2. This is also tested by simulated quenches down to T=0, where a common scaling function emerges. By contrast, under repulsive interactions the low-temperature dynamics is characterized by metastable states which decay subdiffusively to a highly degenerate and partially jammed phase.

DOI: 10.1103/PhysRevE.95.062130
PubMed: 28709284


Affiliations:


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