Phase multistability of self-modulated oscillations

O. V. Sosnovtseva, D. E. Postnov, A. M. Nekrasov, E. Mosekilde, and N.-H. Holstein-Rathlou
Phys. Rev. E 66, 036224 – Published 27 September 2002
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Abstract

The paper examines the type of multistability that one can observe in the synchronization of two oscillators when the systems individually display self-modulation or other types of multicrest wave forms. The investigation is based on a phase reduction method and on the calculation of phase maps for vanishing and finite coupling strengths, respectively. Various phase-locked patterns are observed. In the presence of a frequency mismatch, the two-parameter bifurcation analysis reveals a set of synchronization regions inserted one into the other. Numerical examples using a generator with inertial nonlinearity and a biologically motivated model of nephron autoregulation are presented.

  • Received 27 February 2002

DOI:https://doi.org/10.1103/PhysRevE.66.036224

©2002 American Physical Society

Authors & Affiliations

O. V. Sosnovtseva1,2, D. E. Postnov1, A. M. Nekrasov1, E. Mosekilde2, and N.-H. Holstein-Rathlou3

  • 1Physics Department, Saratov State University, Astrakhanskaya Street 83, Saratov, 410026, Russia
  • 2Department of Physics, The Technical University of Denmark, 2800 Kongens, Lyngby, Denmark
  • 3Department of Medical Physiology, Panum Institute, University of Copenhagen, 2200 Copenhagen N, Denmark

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Vol. 66, Iss. 3 — September 2002

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