Confinement of spin-0 and spin-1/2 particles in a mixed vector-scalar coupling with unequal shapes for the potentials
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Data
2007-02-01
Autores
Castro, Luis B.
de Castro, Antonio S.
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Royal Swedish Acad Sciences
Resumo
The Klein - Gordon and the Dirac equations with vector and scalar potentials are investigated under a more general condition, V-v = V-s + constant. These isospectral problems are solved in the case of squared trigonometric potential functions and bound states for either particles or antiparticles are found. The eigenvalues and eigenfunctions are discussed in some detail. It is revealed that a spin-0 particle is better localized than a spin-1/2 particle when they have the same mass and are subjected to the same potentials.
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Physica Scripta. Stockholm: Royal Swedish Acad Sciences, v. 75, n. 2, p. 170-173, 2007.