Ionization via chaos assisted tunneling

Bibliographic description

title:	Ionization via chaos assisted tunneling
author:	Zakrzewski Jakub , Delande Dominique, Buchleitner Andreas
journal title:	Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
volume:	57
issue:	2
date of publication :	1998
article ID:	1458
ISSN:	1063-651X
eISSN:	1095-3787 1538-4519
DOI:	10.1103/PhysRevE.57.1458
language:	English
journal language:	English
abstract in English:	A simple example of quantum transport in a classically chaotic system is studied. It consists in a single state lying on a regular island (a stable primary resonance island) that may tunnel into a chaotic sea and further escape to infinity via chaotic diffusion. The specific system is realistic: It is the hydrogen atom exposed to either linearly or circularly polarized microwaves. We show that the combination of tunneling followed by chaotic diffusion leads to peculiar statistical fluctuation properties of the energy and the ionization rate, especially to enhanced fluctuations compared to the purely chaotic case. An appropriate random matrix model, whose predictions are analytically derived, describes accurately these statistical properties.
number of pulisher's sheets:	1
affiliation:	Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego
type:	journal article
subtype:	academic paper

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