Simulating Ramsey-Type Fringes in a Pulsed Microwave-Driven Classical Josephson Junction

Details Simulating Ramsey-Type Fringes in a Pulsed Microwave-Driven Classical Josephson Junction Simulating Ramsey-Type Fringes in a Pulsed Microwave-Driven Classical Josephson Junction

2006-04-04

arxiv.org/abs/cond-mat/0604111v2

Open Systems and Information Dynamics Vol.14, p.189 (2007)

Physics

Condensed Matter

Superconductivity

8 pages, 4 figures (typo in title corrected)

Scientific paper

10.1007/s11080-007-9047-1

We present evidence for a close analogy between the nonlinear behavior of a pulsed microwave-driven Josephson junction at low temperature and the experimentally observed behavior of Josephson systems operated below the quantum transition temperature under similar conditions. We specifically address observations of Ramsey-type fringe oscillations, which can be understood in classical nonlinear dynamics as results of slow transient oscillations in a pulsed microwave environment. Simulations are conducted to mimic experimental measurements by recording the statistics of microwave-induced escape events from the anharmonic potential well of a zero-voltage state. Observations consistent with experimentally found Ramsey-type oscillations are found in the classical model.

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