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Title: Trapping neutral fermions with kink-like potentials
Authors: Castro, Antonio S. de 
Hott, Marcelo 
Issue Date: 2006
Citation: Physics Letters A. 351:6 (2006) 379-383
Abstract: The intrinsically relativistic problem of neutral fermions subject to kink-like potentials (~tanh[gamma]x) is investigated and the exact bound-state solutions are found. Apart from the lonely hump solutions for E=±mc2, the problem is mapped into the exactly solvable Sturm-Liouville problem with a modified Pöschl-Teller potential. An apparent paradox concerning the uncertainty principle is solved by resorting to the concepts of effective mass and effective Compton wavelength.
Rights: openAccess
Appears in Collections:FCTUC Física - Artigos em Revistas Internacionais

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