期刊
PHYSICAL REVIEW LETTERS
卷 112, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.112.054102
关键词
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资金
- EPSRC [EP/J010820/1]
- EPSRC [EP/J010820/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/J010820/1] Funding Source: researchfish
We present a control scheme that is able to find and stabilize an unstable chaotic regime in a system with a large number of interacting particles. This allows us to track a high dimensional chaotic attractor through a bifurcation where it loses its attractivity. Similar to classical delayed feedback control, the scheme is noninvasive, however only in an appropriately relaxed sense considering the chaotic regime as a statistical equilibrium displaying random fluctuations as a finite size effect. We demonstrate the control scheme for so-called chimera states, which are coherence-incoherence patterns in coupled oscillator systems. The control makes chimera states observable close to coherence, for small numbers of oscillators, and for random initial conditions.
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