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Phys. Rev. B 71, 174306 (2005) [8 pages]

Resonant plasmon scattering by discrete breathers in Josephson junction ladders

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A. E. Miroshnichenko1, M. Schuster2, S. Flach3, M. V. Fistul4, and A. V. Ustinov2
1Nonlinear Physics Centre, Research School of Physical Sciences and Engineering, Australian National University, Canberra ACT 0200, Australia
2Physikalisches Institut III, Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
3Max-Planck-Institut für Physik komplexer Systeme, Nöthnitzer Strasse 38, D-01187 Dresden, Germany
4Theoretische Physik III, Ruhr-Universität Bochum, D-44801 Bochum, Germany

Received 28 December 2004; published 25 May 2005

We study the resonant scattering of plasmons (linear waves) by discrete breather excitations in Josephson junction ladders. We predict the existence of Fano resonances, and find them by computing the resonant vanishing of the transmission coefficient. We propose an experimental setup of detecting these resonances, and conduct numerical simulations which demonstrate the possibility to observe Fano resonances in the plasmon scattering by discrete breathers in Josephson junction ladders.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.71.174306
DOI:
10.1103/PhysRevB.71.174306
PACS:
05.45.−a, 74.81.Fa, 42.25.Bs
 
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