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- W2905888905 abstract "We propose a generalized parity-time ($mathcal{PT}$) -symmetric Li'enard oscillator with two different orders of nonlinear position-dependent dissipation. We study the stability of the stationary states by using the eigenvalues of Jacobian and evaluate the stability threshold thereafter. In the first order nonlinear damping model, we discover that the temporal evolution of both gain and lossy oscillators attains a complete convergence towards the stable stationary state leading to the emergence of oscillation and amplitude deaths. Also, the system displays a remarkable manifestation of transient chaos in the lossy oscillator while the gain counterpart exhibits blow-up dynamics for certain choice of initial conditions and control parameters. Employing an external driving force on the loss oscillator, we find that the blow-up dynamics can be controlled and a pure aperiodic state is achievable. On the other hand, the second order nonlinear damping model yields a completely different dynamics on contrary to the first order where the former reveals a conventional quasi-periodic route to chaos upon decreasing the natural frequency of both gain and loss oscillators. An electronic circuit scheme for the experimental realization of the proposed system has also been put forward." @default.
- W2905888905 created "2019-01-01" @default.
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- W2905888905 date "2018-12-25" @default.
- W2905888905 modified "2023-09-26" @default.
- W2905888905 title "Multifaceted nonlinear dynamics in $mathcal{PT}$-symmetric coupled Li'{e}nard oscillators." @default.
- W2905888905 hasPublicationYear "2018" @default.
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