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Ubiquity of ring structures in the control space of complex oscillators

2021; American Institute of Physics; Volume: 31; Issue: 10 Linguagem: Inglês

10.1063/5.0066877

1527-2443

Gonzalo Marcelo Ramírez-Ávila, Jürgen Kurths, Jason A. C. Gallas,

Slime Mold and Myxomycetes Research

We report the discovery of two types of stability rings in the control parameter space of a vertical-cavity surface-emitting semiconductor laser. Stability rings are closed parameter paths in the laser control space. Inside such rings, laser stability thrives even in the presence of small parameter fluctuations. Stability rings were also found in rather distinct contexts, namely, in the way that cancerous, normal, and effector cells interact under ionizing radiation and in oscillations of an electronic circuit with a junction-gate field-effect transistor (JFET) diode. We argue that stability-enhancing rings are generic structures present in the control parameter space of many complex systems.