Observation of resonance trapping in an open microwave cavity

Details Observation of resonance trapping in an open microwave cavity Observation of resonance trapping in an open microwave cavity

2000-07-12

arxiv.org/abs/cond-mat/0007201v1

Phys.Rev.Lett.85:2478,2000

Physics

Condensed Matter

to be published in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.85.2478

The coupling of a quantum mechanical system to open decay channels has been theoretically studied in numerous works, mainly in the context of nuclear physics but also in atomic, molecular and mesoscopic physics. Theory predicts that with increasing coupling strength to the channels the resonance widths of all states should first increase but finally decrease again for most of the states. In this letter, the first direct experimental verification of this effect, known as resonance trapping, is presented. In the experiment a microwave Sinai cavity with an attached waveguide with variable slit width was used.

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