Robust extended states in Anderson model on partially disordered random regular graphs
Daniil Kochergin,
Ivan M. Khaymovich,
Olga Valba
et al.
Abstract:In this work we analytically explain the origin of the mobility edge in the partially disordered random regular graphs of degree d, i.e., with a fraction \betaβ of the sites being disordered, while the rest remain clean. It is shown that the mobility edge in the spectrum survives in a certain range of parameters (d,\betaβ) at infinitely large uniformly distributed disorder. The critical curve separating extended and localized states is derived analytically and confirmed numerically. The duality in the localiza… Show more
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