Algebraic Formulation of the Operatorial Perturbation Theory. Part 2. Aplications

Details Algebraic Formulation of the Operatorial Perturbation Theory. Part 2. Aplications Algebraic Formulation of the Operatorial Perturbation Theory. Part 2. Aplications

1996-06-13

arxiv.org/abs/quant-ph/9606013v1

Physics

Quantum Physics

plain LATEX; submitted to Phys. Rev. A

Scientific paper

The algebraic approach to operator perturbation method has been applied to two quantum--mechanical systems ``The Stark Effect in the Harmonic Oscillator'' and ``The Generalized Zeeman Effect''. To that end, two realizations of the superoperators involved in the formalism have been carried out. The first of them has been based on the Heisenberg--Dirac algebra of $\hat{a}^\dagger$, $\hat{a}$, $\hat{1}$ operators, the second one has been based in the angular momemtum algebra of $\hat{L}_+$, $\hat{L}_-$ and $\hat{L}_0$ operators. The successful results achieved in predicting the discrete spectra of both systems have put in evidence the reliability and accuracy of the theory.

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