Beyond exponential localization in one-dimensional electrified chains
作者： Riccardo Farchioni , Giuseppe Grosso
DOI: 10.1088/0953-8984/9/23/001
关键词: Electric field 、 Tight binding 、 Statistical physics 、 Pseudorandom number generator 、 Electron localization function 、 Chain (algebraic topology) 、 Aperiodic graph 、 Exponential function 、 Physics 、 Transfer matrix
摘要: We interpret a new kind of localization in finite one-dimensional tight-binding model under weak applied electric field. This phenomenon is quite general and manifests itself more than exponential decreasing behaviour the chain transmittivity. provide analytic expressions for transmittivity confirm theoretical results by transfer matrix numerical calculations. show that this present ordered as well aperiodic (incommensurate pseudorandom systems) irrespective number allowed bands.
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