Dynamical Hopf bifurcation in piezoelectric semiconductor resonators |
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Authors: | Y Abe |
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Institution: | (1) Laboratory of Quantum Instrumentation, Hokkaido University Sapporo, 060, Japan |
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Abstract: | Time-dependent Hopf bifurcations in the current-voltage characteristics of piezoelectric semiconductor resonators were investigated experimentally. The switching transition between acoustic bistable states was observed under a quasi-static variation of applied voltage. The peculiar pulse responses of the resonant currents were observed when the rise-time of the pulses exceeded the eigen-period of the system. The existence of a metastable state in the dynamical Hopf bifurcation are discussed. |
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Keywords: | 72 20H 43 25 72 80E |
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