Strange nonchaotic attractors in random dynamical systems

Xingang Wang, Meng Zhan, Choy Heng Lai, Ying-Cheng Lai

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)


Whether strange nonchaotic attractors (SNAs) can occur typically in dynamical systems other than quasiperiodically driven systems has long been an open question. Here we show, based on a physical analysis and numerical evidence, that robust SNAs can be induced by small noise in autonomous discrete-time maps and in periodically driven continuous-time systems. These attractors, which are relevant to physical and biological applications, can thus be expected to occur more commonly in dynamical systems than previously thought.

Original languageEnglish
Article number074102
Pages (from-to)-
Number of pages4
JournalPhysical Review Letters
Issue number7
Publication statusPublished - 20 Feb 2004


  • periodically driven systems
  • forced systems
  • transition
  • chaos
  • birth
  • route


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