http://arxiv.org/abs/1501.01747
The unprecedented light curves of the Kepler space telescope document how the brightness of some stars pulsates at primary and secondary frequencies whose ratios are near the golden mean, the most irrational number. A nonlinear dynamical system driven by an irrational ratio of frequencies generically exhibits a strange but nonchaotic attractor. For Kepler’s “golden” stars, we present evidence of the first observation of strange nonchaotic dynamics in nature outside the laboratory. This discovery could aid the classification and detailed modeling of variable stars.
J. Lindner, V. Kohar, B. Kia, et. al.
Fri, 9 Jan 15
2/49
Comments: 5 pages, 4 figures, accepted for publication in Physical Review Letters
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