Resonances for symmetric two-barrier potentials

Details Resonances for symmetric two-barrier potentials Resonances for symmetric two-barrier potentials

2011-07-19

arxiv.org/abs/1107.4092v2

Physics

Quantum Physics

Scientific paper

We describe a method for the accurate calculation of bound-state and resonance energies for one-dimensional potentials. We calculate the shape resonances for symmetric two-barrier potentials and compare them with those coming from the Siegert approximation, the complex scaling method and the box-stabilization method. A comparison of the Breit-Wigner profile and the transmission coefficient about its maximum illustrates that the agreement is better the sharper the resonance.

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