Farey-fraction frequency modulation in the neuronlike output of siliconp-i-ndiodes at 4.2 K
- 16 March 1987
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 58 (11) , 1139-1142
- https://doi.org/10.1103/physrevlett.58.1139
Abstract
The first temporal analysis of spontaneous pulsing of dc biased, p-i-n diodes in RC circuits is reported. Time intervals between successive pulses in spike trains with durations up to 30 h are analyzed as a function of n. Temporal patterns depend on bias voltage and are characterized by symmetric sets of Farey-fraction frequencies associated with remarkably narrow peaks in power spectra. Resolution permitted identification of 115 of the 129 Farey fractions with period ≤40. A rule involving fractions appearing in this system and other nonlinear systems is proposed.
Keywords
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