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Science 7 April 1978:
Vol. 200. no. 4337, pp. 48 - 50
DOI: 10.1126/science.200.4337.48
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Articles

Periodicity and Chaos in Coupled Nonlinear Oscillators

J. P. GOLLUB 1, T. O. BRUNNER 1, and B. G. DANLY 1

1 Physics Department, Haverford College, Haverford, Pennsylvania 19041

A system of coupled tunnel diode relaxation oscillators shows a variety of complex periodic states as the external voltage is varied. The existence of chaotic or nonperiodic states is more dependent on the nature of the coupling than on the number of degrees of freedom. A simple but accurate numerical model shows many of the phenomena observed experimentally.

Submitted on October 6, 1977
Revised on December 16, 1977


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