How similar is the performance of the cubic and the piecewise-linear circuits of Chua?

Gonzalo M. Ramírez-Ávila, Jason A.C. Gallas

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

33 Citas (Scopus)


This Letter reports phase diagrams quantifying and contrasting the dynamical performance of the paradigmatic piecewise-linear and cubic circuits of Chua. Although both circuits may be regarded as macroscopically isomorphic over wide regions in control parameter space, we show that their microscopic structure displays a myriad of rather distinctive intrinsic features making them unique. Inhomogeneities embedded in periodic and chaotic phases complicate some applications of the circuits but may also adequately act as realistic noise proxies in synchronization problems. In addition, infinite cascades of spirals and hubs observed experimentally very recently in a related dissipative flow are shown to be also present in both circuits of Chua, emerging however in a rather distinctive asymmetric way. Thus Chua's circuits may be used to study experimentally elusive and theoretically intricate phenomena generating periodicity hubs.

Idioma originalInglés
Páginas (desde-hasta)143-148
Número de páginas6
PublicaciónPhysics Letters, Section A: General, Atomic and Solid State Physics
EstadoPublicada - 1 dic. 2010

Nota bibliográfica

Funding Information:
GMRA is supported by the German Academic Exchange Service (DAAD) . JACG is supported by CNPq , Brazil, and by the Air Force Office of Scientific Research , grant FA9550-07-1-0102 . All computations were done in the computer clusters of the CESUP-UFRGS.


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