Gabriel Álvarez and Bala Sundaram 2004 J. Phys. A: Math. Gen. 37 9735 doi:10.1088/0305-4470/37/41/009
Gabriel Álvarez1 and Bala Sundaram2
Show affiliationsWe study the Stark effect in a symmetric double δ quantum well, for which there are two kinds of resonances: the familiar resonances stemming from the bound states, and a doubly infinite family of resonances stemming from the zero-field continuum threshold. We derive explicit expressions for the Borel-summable Rayleigh–Schrödinger perturbation series for the resonances stemming from the bound states, for the imaginary part of these same resonances and for all the resonances stemming from the zero-field continuum threshold. The techniques used in this paper are directly applicable to realistic models of quantum square well potentials with or without barriers.
32.60.+i Zeeman and Stark effects
Issue 41 (15 October 2004)
Received 2 June 2004, in final form 1 September 2004
Published 29 September 2004
Gabriel Álvarez and Bala Sundaram 2004 J. Phys. A: Math. Gen. 37 9735
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