TITLE

Spectrum dynamics of negative-effective-mass oscillators under terahertz radiation

AUTHOR(S)
Cao, J. C.; Lei, X. L.; Li, A. Z.; Liu, H. C.
PUB. DATE
April 2001
SOURCE
Applied Physics Letters;4/23/2001, Vol. 78 Issue 17, p2524
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report on a theoretical investigation of power spectrum dynamics in negative-effective-mass (NEM) p[sup +]pp[sup +] oscillators under the influence of terahertz (THz) electromagnetic radiation. Possible types of transport states (periodic or chaotic) and transitions between them are examined with the intensity and frequency of the radiation as controlling parameters. When the driving frequency is fixed to the self-oscillating frequency times the inverse Golden ratio, the resulting power spectrum pattern displays a very complex mosaic scenario with a self-similar emergence of high-order mixing frequencies. © 2001 American Institute of Physics.
ACCESSION #
4711011

 

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