| Effective coupling for open billiards. | |
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MedLine Citation:
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PMID: 11736074 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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We derive an explicit expression for the coupling constants of individual eigenstates of a closed billiard that is opened by attaching a waveguide. The Wigner time delay and the resonance positions resulting from the coupling constants are compared to an exact numerical calculation. Deviations can be attributed to evanescent modes in the waveguide and to the finite number of eigenstates taken into account. The influence of the shape of the billiard and of the boundary conditions at the mouth of the waveguide are also discussed. Finally we show that the mean value of the dimensionless coupling constants tends to the critical value when the eigenstates of the billiard follow random-matrix theory. |
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Authors:
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K Pichugin; H Schanz; P Seba |
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Publication Detail:
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Type: Journal Article Date: 2001-10-26 |
Journal Detail:
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Title: Physical review. E, Statistical, nonlinear, and soft matter physics Volume: 64 ISSN: 1539-3755 ISO Abbreviation: Phys Rev E Stat Nonlin Soft Matter Phys Publication Date: 2001 Nov |
Date Detail:
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Created Date: 2001-12-13 Completed Date: 2002-01-03 Revised Date: 2003-10-31 |
Medline Journal Info:
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Nlm Unique ID: 101136452 Medline TA: Phys Rev E Stat Nonlin Soft Matter Phys Country: United States |
Other Details:
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Languages: eng Pagination: 056227 Citation Subset: - |
Affiliation:
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Institute of Physics, Czech Academy of Sciences, Cukrovarnicka 10, Prague, Czech Republic and Kirensky Institute of Physics, 660036 Krasnoyarsk, Russia. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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