Heterogeneities in systems with quenched disorder

Details Heterogeneities in systems with quenched disorder Heterogeneities in systems with quenched disorder

2003-04-10

arxiv.org/abs/cond-mat/0304249v1

J. Phys. A: Math. Gen. 36 (2003) 10907-10919

Physics

Condensed Matter

Disordered Systems and Neural Networks

8 pages

Scientific paper

10.1088/0305-4470/36/43/016

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. Differently 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, show how it induces the appearance of spatial heterogeneities and how this reflects in the observed behavior of equilibrium density distributions and dynamic correlation functions.

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