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2013 | 124 | 6 | 1074-1077
Article title

Probing Eigenfunction Nonorthogonality by Parametric Shifts of Resonance Widths

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Abstracts
EN
Recently, it has been shown that the change of resonance widths in an open system under a perturbation of its interior is a sensitive indicator of the nonorthogonality of resonance states. We apply this measure to quantify parametric motion of the resonances. In particular, a strong redistribution of the widths is linked with the maximal degree of nonorthogonality. Then for weakly open chaotic systems we discuss the effect of spectral rigidity on the statistical properties of the parametric width shifts, and derive the distribution of the latter in a picket-fence model with equidistant spectrum.
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Year
Volume
124
Issue
6
Pages
1074-1077
Physical description
Dates
published
2013-12
Contributors
author
  • Department of Mathematical Sciences, Brunel University, Uxbridge, UB8 3PH, United Kingdom
author
  • Department of Mathematical Sciences, Brunel University, Uxbridge, UB8 3PH, United Kingdom
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv124n656kz
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