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Multifractal dimension of chaotic attractors in a driven semiconductor superlattice

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The multifractal dimension of chaotic attractors has been studied in a weakly coupled superlattice driven by an incommensurate sinusoidal voltage as a function of the driving voltage amplitude. The derived multifractal dimension for the observed bifurcation sequence shows different characteristics for chaotic, quasiperiodic, and frequency-locked attractors. In the chaotic regime, strange attractors are observed. Even in the quasiperiodic regime, attractors with a certain degree of strangeness may exist. From the observed multifractal dimensions, the deterministic nature of the chaotic oscillations is clearly identified.

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BULASHENKO, Oleg, et al. Multifractal dimension of chaotic attractors in a driven semiconductor superlattice. Physical Review B. 1999. Vol. 60, núm. 8, pàgs. 5694-5697. ISSN 0163-1829. [consulta: 12 de maig de 2026]. Disponible a: https://hdl.handle.net/2445/10909

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