The quantum double well anharmonic oscillator in an external field

Details The quantum double well anharmonic oscillator in an external field The quantum double well anharmonic oscillator in an external field

2005-07-07

arxiv.org/abs/quant-ph/0507071v2

J. Phys. A: Math. Gen. 39, 933 (2006)

Physics

Quantum Physics

9 pages, 6 figures

Scientific paper

10.1088/0305-4470/39/4/013

The aim of this paper is twofold. First of all, we study the behaviour of the lowest eigenvalues of the quantum anharmonic oscillator under influence of an external field. We try to understand this behaviour using perturbation theory and compare the results with numerical calculations. This brings us to the second aim of selecting the best method to carry out the numerical calculations accurately.

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