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Loschmidt-echo decay from local boundary perturbations

URN to cite this document:
urn:nbn:de:bvb:355-epub-18880
Goussev, Arseni ; Richter, Klaus
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arXiv PDF (10.01.2007)
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arXiv PDF (25.08.2006)
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Date of publication of this fulltext: 05 Aug 2009 13:34



Abstract

We investigate the sensitivity of the time evolution of semiclassical wave packets in two-dimensional chaotic billiards with respect to local perturbations of their boundaries. For this purpose, we address, analytically and numerically, the time decay of the Loschmidt echo (LE). We find the LE to decay exponentially in time, with the rate equal to the classical escape rate from an open billiard ...

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