A N F Aleixo and A B Balantekin 2007 J. Phys. A: Math. Theor. 40 6433 doi:10.1088/1751-8113/40/24/011
Three-level coupled systems and parasupersymmetric shape invariance
A N F Aleixo1 and A B Balantekin2
Show affiliationsA class of bound-state problems which represents the coupling of a three-level atom with a two-dimensional system involving two shape-invariant potentials is introduced. We consider second-order parasupersymmetric quantum-mechanical models and, using an algebraic formulation for shape-invariant potential systems, resolve the eigenvalue problem for these coupled systems considering two possible kinds for the coupling Hamiltonian (linear and nonlinear in the potential ladder operators). An application is given for a couple of shape-invariant potentials (harmonic oscillator + Morse potentials).
- PACS
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31.15.-p Calculations and mathematical techniques in atomic and molecular physics
- MSC
- Subjects
- Dates
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Issue 24 (15 June 2007)
Received 7 February 2007
Published 30 May 2007
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Three-level coupled systems and parasupersymmetric shape invariance
A N F Aleixo and A B Balantekin 2007 J. Phys. A: Math. Theor. 40 6433
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