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INSTITUTE OF PHYSICS PUBLISHING JOURNAL OF PHYSICS A: MATHEMATICAL AND GENERAL J. Phys. A: Math. Gen. 36 (2003) 1090710919 PII: S0305-4470(03)62121-9
 

Summary: INSTITUTE OF PHYSICS PUBLISHING JOURNAL OF PHYSICS A: MATHEMATICAL AND GENERAL
J. Phys. A: Math. Gen. 36 (2003) 10907­10919 PII: S0305-4470(03)62121-9
Heterogeneities in systems with quenched disorder
Mendeli H Vainstein1
, Daniel A Stariolo2,3
and Jeferson J Arenzon2,3
1 Instituto de F´isica, UnB, CP 04455, 70919-970 Bras´ilia, DF, Brazil
2 Instituto de F´isica, UFRGS, CP 15051, 91501-970 Porto Alegre RS, Brazil
E-mail: mendeli@iccmp.br, stariolo@if.ufrgs.br and arenzon@if.ufrgs.br
Received 14 April 2003
Published 15 October 2003
Online at stacks.iop.org/JPhysA/36/10907
Abstract
We study the strong role played by structural (quenched) heterogeneities
on static and dynamic properties of the frustrated Ising lattice gas in two
dimensions, already in the liquid phase. Different from the dynamical
heterogeneities observed in other glass models, in this case they may have
infinite lifetime and be spatially pinned by the quenched disorder. We consider
a measure of local frustration to show how it induces the appearance of spatial
heterogeneities and how this reflects in the observed behaviour of equilibrium

  

Source: Arenzon, Jeferson J. - Instituto de Física, Universidade Federal do Rio Grande do Sul
Stariolo, Daniel Adrián - Instituto de Física, Universidade Federal do Rio Grande do Sul

 

Collections: Materials Science; Physics