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Phys. Rev. E 62, 6409–6413 (2000)

Synchronous chaos in coupled map lattices with small-world interactions

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Prashant M. Gade* and Chin-Kun Hu
Institute of Physics, Academia Sinica, Nankang, Taipei 11529, Taiwan

Received 14 March 2000; revised 27 July 2000; published in the issue dated November 2000

In certain physical situations, extensive interactions arise naturally in systems. We consider one such situation, namely, small-world couplings. We show that, for a fixed fraction of nonlocal couplings, synchronous chaos is always a stable attractor in the thermodynamic limit. We point out that randomness helps synchronization. We also show that there is a size dependent bifurcation in the collective behavior in such systems.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevE.62.6409
DOI:
10.1103/PhysRevE.62.6409
PACS:
05.45.-a

*Electronic address: gade@helios.phy.ohiou.edu

Electronic address: huck@phys.sinica.edu.tw