Physics – Quantum Physics
Scientific paper
2002-01-17
Phys. Rev. A 65, 062107 (2002).
Physics
Quantum Physics
8 pages ReVTeX, 8 eps figures
Scientific paper
10.1103/PhysRevA.65.062107
We introduce a Werner-like mixture [R. F. Werner, Phys. Rev. A {\bf 40}, 4277 (1989)] by considering two correlated but different degrees of freedom, one with discrete variables and the other with continuous variables. We evaluate the mixedness of this state, and its degree of entanglement establishing its usefulness for quantum information processing like quantum teleportation. Then, we provide its tomographic characterization. Finally, we show how such a mixture can be generated and measured in a trapped system like one electron in a Penning trap.
Felicetti Anna
Mancini Stefano
Tombesi Paolo
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