Initial state maximizing the nonexponentially decaying survival probability for unstable multilevel systems

Details Initial state maximizing the nonexponentially decaying survival probability for unstable multilevel systems Initial state maximizing the nonexponentially decaying survival probability for unstable multilevel systems

2004-07-14

arxiv.org/abs/quant-ph/0407099v1

Phys. Rev. A 70, 032108 (2004)

Physics

Quantum Physics

5 pages, 1 table. Accepted for publication in Phys. Rev. A

Scientific paper

10.1103/PhysRevA.70.032108

The long-time behavior of the survival probability for unstable multilevel systems that follows the power-decay law is studied based on the N-level Friedrichs model, and is shown to depend on the initial population in unstable states. A special initial state maximizing the asymptote of the survival probability at long times is found and examined by considering the spontaneous emission process for the hydrogen atom interacting with the electromagnetic field.

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