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Phys. Rev. Lett. 92, 128301 (2004) [4 pages]

Stationary and Oscillatory Localized Patterns, and Subcritical Bifurcations

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Vladimir K. Vanag and Irving R. Epstein
Department of Chemistry and Volen Center for Complex Systems, Brandeis University, MS 015, Waltham, Massachusetts 02454-9110, USA

Received 10 August 2003; published 24 March 2004

Stationary and oscillatory localized patterns (oscillons) are found in the Belousov-Zhabotinsky reaction dispersed in Aerosol OT water-in-oil microemulsion. The experimental findings are analyzed in terms of subcritical Hopf instability, subcritical Turing instability, and their combination.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.92.128301
DOI:
10.1103/PhysRevLett.92.128301
PACS:
82.40.Ck, 02.70.Uu, 68.05.Gh, 82.33.Nq