Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2011-11-13
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
6 pages,4 figures
Scientific paper
We report the observation and quantitative characterization of driven and spontaneous oscillations of quantum entanglement, as measured by concurrence, in a bipartite system consisting of a macroscopic Josephson phase qubit coupled to a microscopic two-level system. The data clearly show the remarkable behavior of entanglement dynamics such as sudden death and revival, and the effect of decoherence and ac driving on entanglement.
Han Siyuan
Mao Bo
Sun Guozhu
Wen Xueda
Wu Peiheng
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