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cond-mat.stat-mech2003★ 19 cited
Stochastic description of the dynamics of the random-exchange Heisenberg chain
M. H. Vainstein, R. Morgado, F. A. Oliveira +2
We study the diffusion process in a Heisenberg chain with correlated spatial disorder, with a power spectrum in the momentum space behaving as , using a stochastic descript…
cond-mat.dis-nn2003
Heterogeneities in systems with quenched disorder
Mendeli H. Vainstein, Daniel A. Stariolo, Jeferson J. Arenzon
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 liqu…