We characterize the absolutely continuous spectrum of half-line one-dimensional Schrödinger operators in terms of the limiting behavior of the crystalline Landauer–Büttiker conductance of the associated finite samples.
机构:
Univ Toulon & Var, CNRS, CPT, UMR 7332, F-83957 La Grade, France
Aix Marseille Univ, CNRS, CPT, UMR 7332,Case 907, F-13288 Marseille, France
FRUMAM, Marseille, FranceCNRS, Dept Math, F-95000 Cergy Pontoise, France