Recurrence in resonant transmission of one-dimensional array of delta potentials
arXiv:1311.5628 · doi:10.1142/S021798491450016X
Abstract
The resonant transmission of a moving particle which interacts with an one-dimensional array of N delta-function potentials is investigated. A suitable transfer matrix formulation is used to obtain the particle transmission. We give the parameters for perfect tunnelling and the transcendental equation for the quasi-bound state energies for N = 2, 3 and 4. Conditions for perfect tunnelling and resonant transmission are discussed for arrays with arbitrary N. A model to explain how the tunnelling energy filter works in these systems is proposed here.
19 pages, 4 figures, Accepted in Modern Physics Letters B
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