Chaotic dynamics in the rf superconducting quantum-interference-device magnetometer: A coupled quantum-classical system
J. Diggins, J. F. Ralph, T. P. Spiller, T. D. Clark, H. Prance, R. J. Prance
DOI 10.1103/PhysRevE.49.1854 · Physical Review E
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Abstract
In this paper, we discuss the nonlinear behavior of a model rf superconducting quantum-interference-device magnetometer consisting of a macroscopic quantum object which is coupled reactively to a linear classical oscillator. We demonstrate that chaotic solutions can be found in the oscillator for the ground and first excited states of the quantum object over a wide range of parameters, including those relevant to experimental systems.
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