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A Note on Hidden Transient Chaos in the Lorenz System

  • Quan Yuan , Fang-Yan Yang and Lei Wang EMAIL logo
Published/Copyright: May 23, 2017

Abstract

In this paper, the classic Lorenz system is revisited. Some dynamical behaviors are shown with the Rayleigh number ρ somewhat smaller than the critical value 24.06 by studying the basins characterization of attraction of attractors and tracing the one-dimensional unstable manifold of the origin, indicating some interesting clues for detecting the existence of hidden transient chaos. In addition, horseshoes chaos is verified in the famous system for some parameters corresponding to the hidden transient chaos by the topological horseshoe theory.

PACS: 37M20; 65P20

Acknowledgments

The authors thank the reviewers very much for their careful reviews and valuable suggestions.

Our finding is inspired by the correspondence email between Chua and Leonov. In this letter, they proposed two crucial questions “Do you know if the Lorenz Equation can exhibit new attractors other than the classic Lorenz attractor? Do you think the Lorenz equation also has hidden attractors?”

This work is partially supported by National Natural Science Foundation of China (11302080, 11515760), the Anhui Provincial Natural Science Foundation (1708085QA12), the Natural Science Foundations for Colleges and Universities in Anhui Province (KJ2016A602, KJ2015A253).

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Received: 2016-3-23
Accepted: 2017-5-4
Published Online: 2017-5-23
Published in Print: 2017-7-26

© 2017 Walter de Gruyter GmbH, Berlin/Boston

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