Wednesday, October 3, 2012

1210.0361 (Oktay Aydoğdu et al.)

Scattering of a spinless particle by an asymmetric Hulth{é}n potential
within the effective mass formalism

Oktay Aydoğdu, Altug Arda, Ramazan Sever
Effective mass Klein-Gordon equation for the asymmetric Hulth{\'e}n potential is solved in terms of hypergeometric functions. Results are obtained for the scattering and bound states with the position dependent mass and constant mass, as a special case. In both cases, we derive a condition for the existence of transmission resonance (T=1). We also study how the transmission resonance depends on the particle energy and the shape of the external potential.
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