Spectroscopy of the Dirac oscillator perturbed by a surface delta potential
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2012
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Elsevier
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Abstract
We study theoretically the level shift of the Dirac oscillator perturbed by any sharply peaked potential approaching a surface delta potential. A Green function method is used to obtain closed expressions for all partial waves and parities.
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©2012 Elsevier B.V. All rights reserved.
Work in Madrid was supported by MICINN (project MAT2010- 17180). R.P.A. Lima would like to thank CAPES via project PPCPMercosul, CNPq, and FINEP (Brazilian Research Agencies) as well as FAPEAL (Alagoas State Research Agency) for partial financial support.