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Generalized Schmidt decomposition and classification of three-quantum-bit states
Acín dal Maschio, Antonio; Andrianov, A.; Costa Farràs, Laura; Jané, E.; Latorre, José Ignacio; Tarrach, R., 1948-
Universitat de Barcelona
We prove for any pure three-quantum-bit state the existence of local bases which allow one to build a set of five orthogonal product states in terms of which the state can be written in a unique form. This leads to a canonical form which generalizes the two-quantum-bit Schmidt decomposition. It is uniquely characterized by the five entanglement parameters. It leads to a complete classification of the three-quantum-bit states. It shows that the right outcome of an adequate local measurement always erases all entanglement between the other two parties.
2010-06-10
Teoria quàntica
Teoria de camps (Física)
Quantum mechanics, field theories, and special relativity
Quantum theory
Field theory (Physics)
(c) American Physical Society, 2000
Article
American Physical Society
         

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