A Simple Model for the Origin of Chaos in Semiconductors

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Published under licence by IOP Publishing Ltd
, , Citation P T Landsberg et al 1986 Phys. Scr. 1986 101 DOI 10.1088/0031-8949/1986/T14/021

1402-4896/1986/T14/101

Abstract

It is shown how a simple model for chaos in semiconductors results from a three-fold argument:

(a) One starts with a Chapman-Kolmogorov equation for the generation-recombination processes. These are assumed in the simplest case (considered here) to be uniform in space and to involve only holes. A recurrence relation for the average hole concentration at successive discrete time intervals is derived by averaging the Chapman-Kolmogorov equation.

(b) One sets up a generation-recombination rate for a specific model.

(c) The possibility of chaos then follows by combining (a) and (b) and hence finding recurrence relations similar to those known to produce chaos, e.g., Xk + 1 = rXk(1 - Xk).

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10.1088/0031-8949/1986/T14/021