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9 papers · 1 filter
Differentiable potentials and metallic states in disordered one-dimensional systems
Antonio M. Garcia-Garcia, Emilio Cuevas
We provide evidence that as a general rule Anderson localization effects become weaker as the degree of differentiability of the disordered potential increases. In one dimension a…
Dimensional dependence of the metal-insulator transition
Antonio M. Garcia-Garcia, Emilio Cuevas
We study the dependence on the spatial dimensionality of different quantities relevant in the description of the Anderson transition by combining numerical calculations in a $3 \le…
Global Partial Density of States: Statistics and Localization Length in Quasi-one Dimensional disordered systems
J. Ruiz, E. Jódar, V. Gasparian
We study the distributions functions for global partial density of states (GPDOS) in quasi-one-dimensional (Q1D) disordered wires as a function of disorder parameter from metal to…
Anderson transition in systems with chiral symmetry
Antonio M. Garcia-Garcia, Emilio Cuevas
Anderson localization is a universal quantum feature caused by destructive interference. On the other hand chiral symmetry is a key ingredient in different problems of theoretical…
Critical properties in long-range hopping Hamiltonians
E. Cuevas
Some properties of -dimensional disordered models with long-range random hopping amplitudes are investigated numerically at criticality. We concentrate on the correlation dimens…
Two-level correlation function of critical random-matrix ensembles
E. Cuevas
The two-level correlation function of -dimensional disordered models (, 2, and 3) with long-range random-hopping amplitudes is investigated numerically at crit…