Torus-doubling process via strange nonchaotic attractors

Takahito Mitsui, Seiji Uenohara, Takashi Morie, Yoshihiko Horio, Kazuyuki Aihara

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Torus-doubling bifurcations typically occur only a finite number of times. It has been assumed that torus-doubling bifurcations in quasiperiodically forced systems are interrupted by the appearance of strange nonchaotic attractors (SNAs). In the present Letter, we study a quasiperiodically forced noninvertible map and report the occurrence of a torus-doubling process via SNAs. The mechanism of this process is numerically clarified. Furthermore, this process is experimentally demonstrated in a switched-capacitor integrated circuit.

Original languageEnglish
Pages (from-to)1907-1914
Number of pages8
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Issue number24-25
Publication statusPublished - 2012 May 14


  • Strange nonchaotic attractors
  • Torus doubling


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