Localization in one-dimensional disordered systems with electric field: An analytical approach
作者： Dar̆o Castello , Alfredo Caro , Arturo López
关键词: Exponential growth 、 Transmission coefficient 、 Statistical physics 、 Power (physics) 、 Condensed matter physics 、 Electric field 、 Transfer (group theory) 、 Expression (mathematics) 、 Physics 、 Chain (algebraic topology)
摘要: We perform an analytic calculation of the transmission coefficient for a finite disordered Kronig-Penney chain with electric field, using some interesting properties transfer matrices \ensuremath{\delta}-function potential. They allow us to give closed-form approximate expression which clearly shows existence three regions wave-function behavior: exponentially localized, power and extended states. The current-voltage characteristics such system are also evaluated, together precise numerical evaluation comparison.
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