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https://hdl.handle.net/10356/101628
Title: | Bistability and chaos at low levels of quanta | Authors: | Chew, Lock Yue Kryuchkyan, G. Yu Gevorgyan, T. V. Shahinyan, A. R. |
Keywords: | Physics & Applied Physics | Issue Date: | 2013 | Source: | Gevorgyan, T. V., Shahinyan, A. R., Chew, L. Y., & Kryuchkyan, G. Y. (2013). Bistability and chaos at low levels of quanta. Physical Review E, 88(2), 022910-. | Series/Report no.: | Physical review E | Abstract: | We study nonlinear phenomena of bistability and chaos at a level of few quanta. For this purpose, we consider a single-mode dissipative oscillator with strong Kerr nonlinearity with respect to the dissipation rate driven by a monochromatic force as well as by a train of Gaussian pulses. The quantum effects and decoherence in the oscillatory mode are investigated in the framework of the purity of states and the Wigner functions calculated from the master equation. We demonstrate the quantum chaotic regime by means of a comparison between the contour plots of the Wigner functions and the strange attractors on the classical Poincaré section. Considering bistability at a low limit of quanta, we analyze the minimal level of excitation numbers at which the bistable regime of the system is displayed. We also discuss the formation of an oscillatory chaotic regime by varying oscillatory excitation numbers at ranges of a few quanta. We demonstrate quantum-interference phenomena that are assisted hysteresis-cycle behavior and quantum chaos for the oscillator driven by a train of Gaussian pulses. We establish the border of quantum-classical correspondence for chaotic regimes in the case of strong nonlinearities. | URI: | https://hdl.handle.net/10356/101628 http://hdl.handle.net/10220/18702 |
DOI: | 10.1103/PhysRevE.88.022910 | Schools: | School of Physical and Mathematical Sciences | Rights: | © 2013 American Physical Society. This paper was published in Physical Review E - Statistical, Nonlinear, and Soft Matter Physics and is made available as an electronic reprint (preprint) with permission of American Physical Society. The paper can be found at the following official DOI: [http://dx.doi.org/10.1103/PhysRevE.88.022910]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | SPMS Journal Articles |
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