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Entanglement and Mixedness of a Superconducting Qubit Coupled to an Open Superconducting Cavity
Journal article   Peer reviewed

Entanglement and Mixedness of a Superconducting Qubit Coupled to an Open Superconducting Cavity

A. -B. A. Mohamed and H. Eleuch
Journal of Russian laser research, Vol.37(4), pp.353-360
01/07/2016
DOI: https://doi.org/10.1007/s10946-016-9582-8

Abstract

Optics Physical Sciences Science & Technology
We investigate entanglement and mixedness of a superconducting qubit coupled to the damped cavity field. We introduce a new measure for the mixedness and find that the phase damping of the cavity leads to simultaneous long-death of the entropy squeezing, the purity of the qubit states, and the entanglement of the field-qubit system.

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