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Energy funneling in a bent chain of Morse oscillators with long-range coupling

P. V. Larsen* and P. L. Christiansen

O. Bang

J. F. R. Archilla

Yu. B. Gaididei

  • Informatics and Mathematical Modelling, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark

  • Informatics and Mathematical Modelling, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark
  • Research Center COM, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark

  • Departamento de Fisica Aplicada I, Universidad de Sevilla, Avda. Reina Mercedes s/n, 41012 Sevilla, Spain

  • Bogolyubov Institute for Theoretical Physics, 03143 Kiev, Ukraine

  • *Electronic address: pvl@imm.dtu.dk
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Phys. Rev. E 69, 026603 – Published 17 February, 2004

DOI: https://doi.org/10.1103/PhysRevE.69.026603

Abstract

A bent chain of coupled Morse oscillators with long-range dispersive interaction is considered. Moving localized excitations may be trapped in the bending region. Thus chain geometry acts like an impurity. An energy funneling effect is observed in the case of random initial conditions.

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Phys. Rev. E 69, 026603– Published 17 February, 2004
  • Received 13 October 2003

© 2004 American Physical Society

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