Document Type

Article

Publication Date

2009

Department

Physics & Computer Science

Abstract

An electrical circuit consisting of two capacitively coupled inductive loops, each interrupted by a Josephson junction, is analyzed through the classical resistively and capacitively shunted junction RCSJ model. The same circuit has recently been studied experimentally and the results were used to demonstrate quantummechanical entanglement in the system by observing the correlated states of the two inductive loops after initial microwave perturbations. Our classical analysis shows that the observed phenomenon exists entirely within the classical RCSJ model, and we provide a detailed intuitive description of the transient dynamics responsible for the observations.

Comments

This article was originally published in Physical Review B, 79(5): 054516. © 2009 The American Physical Society

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