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Please use this identifier to cite or link to this item: http://repositorio.ufla.br/jspui/handle/1/13428

Title: Relativistic quantum dynamics of a neutral particle in external electric fields: an approach on effects of spin
???metadata.dc.creator???: Azevedo, F. S.
Silva, Edilberto O.
Castro, Luis B.
Filgueiras, Cleverson
Cogollo, D.
Keywords: Self-adjoint extension
Aharonov–Casher effect
Landau levels
Physical regularization
Extensão auto-adjunta
Efeito Aharonov-Casher
Regularização física
Níveis de Landau
Publisher: Elsevier
Issue Date: Nov-2015
Citation: AZEVEDO, F. S. et al. Relativistic quantum dynamics of a neutral particle in external electric fields: an approach on effects of spin. Annals of Physics, New York, v. 362, p. 196-207, Nov. 2015.
Abstract: The planar quantum dynamics of a spin-1/2 neutral particle interacting with electrical fields is considered. A set of first order differential equations is obtained directly from the planar Dirac equation with nonminimum coupling. New solutions of this system, in particular, for the Aharonov–Casher effect, are found and discussed in detail. Pauli equation is also obtained by studying the motion of the particle when it describes a circular path of constant radius. We also analyze the planar dynamics in the full space, including the r=0 region. The self-adjoint extension method is used to obtain the energy levels and wave functions of the particle for two particular values for the self-adjoint extension parameter. The energy levels obtained are analogous to the Landau levels and explicitly depend on the spin projection parameter.
URI: http://www.sciencedirect.com/science/article/pii/S0003491615003024
???metadata.dc.language???: en_US
Appears in Collections:DFI - Artigos publicados em periódicos

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