Durey, M. (2020) Bifurcations and chaos in a Lorenz-like pilot-wave system. Chaos: An Interdisciplinary Journal of Nonlinear Science, 30(10), 103115. (doi: 10.1063/5.0020775) (PMID:33138446)
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Abstract
A millimetric droplet may bounce and self-propel on the surface of a vertically vibrating fluid bath, guided by its self-generated wave field. This hydrodynamic pilot-wave system exhibits a vast range of dynamics, including behavior previously thought to be exclusive to the quantum realm. We present the results of a theoretical investigation of an idealized pilot-wave model, in which a particle is guided by a one-dimensional wave that is equipped with the salient features of the hydrodynamic system. The evolution of this reduced pilot-wave system may be simplified by projecting onto a three-dimensional dynamical system describing the evolution of the particle velocity, the local wave amplitude, and the local wave slope. As the resultant dynamical system is remarkably similar in form to the Lorenz system, we utilize established properties of the Lorenz equations as a guide for identifying and elucidating several pilot-wave phenomena, including the onset and characterization of chaos.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Durey, Dr Matthew |
| Authors: | Durey, M. |
| College/School: | College of Science and Engineering > School of Mathematics and Statistics > Mathematics |
| Journal Name: | Chaos: An Interdisciplinary Journal of Nonlinear Science |
| Publisher: | American Institute of Physics |
| ISSN: | 1054-1500 |
| ISSN (Online): | 1089-7682 |
| Published Online: | 14 October 2020 |
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