Localization without disorder: The Kronig-Penney model in the presence of an electric field
作者： Jerzy R. Borysowicz
DOI: 10.1016/S0375-9601(97)00271-5
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摘要: Abstract We study the asymptotic behaviour of a one-dimensional system with periodic δ-function potentials strength W in presence an electric field F. find that two independent solutions Schrodinger equation behave as x ±W 2 8F − 1 4 for large x. This power law is found all values and F (except = 0). It follows physical states (states which do not diverge) must decay according to they are localized. Thus we have example without disorder localization induced by field.
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