Physics – Quantum Physics
Scientific paper
2007-03-14
New Journal of Physics 9 (2007) 237
Physics
Quantum Physics
6 pages, 2 figures, references added, initial paragraph corrected, sectioning adopted, some parts rewritten; accepted by New J
Scientific paper
10.1088/1367-2630/9/7/237
In open quantum systems, entanglement can vanish faster than coherence. This phenomenon is usually called sudden death of entanglement. In this paper sudden death of entanglement is discussed from a geometrical point of view, in the context of two qubits. A classification of possible scenarios is presented, with important known examples classified. Theoretical and experimental construction of other examples is suggested as well as large dimensional and multipartite versions of the effect.
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