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Transmission properties of the one-dimensional array of delta potentials

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arxiv 1008.5181 v2 pith:QAIARC75 submitted 2010-08-30 quant-ph cond-mat.mes-hall

Transmission properties of the one-dimensional array of delta potentials

classification quant-ph cond-mat.mes-hall
keywords arraytransmissiondelta-functionone-dimensionalparticlepotentialsquantumalong
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The problem of one-dimensional quantum wire along which a moving particle interacts with a linear array of N delta-function potentials is studied. Using a quantum waveguide approach, the transfer matrix is calculated to obtain the transmission probability of the particle. Results for arbitrary N and for specific regular arrays are presented. Some particular symmetries and invariances of the delta-function potential array for the N = 2 case are analyzed in detail. It is shown that perfect transmission can take place in a variety of situations.

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