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Fidelity decay for local perturbations: microwave evidence for oscillating decay exponents

URN to cite this document:
urn:nbn:de:bvb:355-epub-166636
Köber, Bernd ; Kuhl, Ulrich ; Stöckmann, Hans-Jürgen ; Goussev, Arseni ; Richter, Klaus
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arXiv PDF (03.02.2011)
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dated 16.09.2010
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arXiv PDF (16.09.2010)
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Date of publication of this fulltext: 21 Sep 2010 10:22



Abstract

We study fidelity decay in classically chaotic microwave billiards for a local, piston-like boundary perturbation. We experimentally verify a predicted non-monotonic cross-over from the Fermi Golden Rule to the escape-rate regime of the Loschmidt echo decay with increasing local boundary perturbation. In particular, we observe pronounced oscillations of the decay rate as a function of the piston ...

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