The pattern of bands generated by the transmission coefficient T for transmission across N ionic molecules in one dimension simulated by N alternating pairs of attractive and repulsive delta potential is studied by exploring its relation with the conditions for the occurence of threshold bound state. The number of peaks in the first band of T is found to be the difference between N and the number of negative energy bound states generated by this potential. Further we systematically study the nature of distribution of peaks in higher bands as a function of potential strength and distance parameters and compare it with the results obtained in our earlier works. © 2017 Elsevier B.V.
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Ma Dharani and Shastry, C. S., “Investigation of bound states and transmission across orderly arranged pairs of attractive and repulsive delta potentials”, Physica B: Condensed Matter, vol. 516, pp. 27-31, 2017.