Separability and Entanglement of Composite Quantum Systems
- 16 March 1998
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 80 (11) , 2261-2264
- https://doi.org/10.1103/physrevlett.80.2261
Abstract
We provide a constructive algorithm to find the best separable approximation to an arbitrary density matrix of a composite quantum system of finite dimensions. The method leads to a condition of separability and to a measure of entanglement.Keywords
All Related Versions
This publication has 13 references indexed in Scilit:
- Separability criterion and inseparable mixed states with positive partial transpositionPhysics Letters A, 1997
- Separability of mixed states: necessary and sufficient conditionsPhysics Letters A, 1996
- Mixed-state entanglement and quantum error correctionPhysical Review A, 1996
- Information-theoretic aspects of inseparability of mixed statesPhysical Review A, 1996
- Separability Criterion for Density MatricesPhysical Review Letters, 1996
- Bell's Inequalities and Density Matrices: Revealing “Hidden” NonlocalityPhysical Review Letters, 1995
- Bell’s inequalities versus teleportation: What is nonlocality?Physical Review Letters, 1994
- Teleporting an unknown quantum state via dual classical and Einstein-Podolsky-Rosen channelsPhysical Review Letters, 1993
- Quantum states with Einstein-Podolsky-Rosen correlations admitting a hidden-variable modelPhysical Review A, 1989
- Can Quantum-Mechanical Description of Physical Reality Be Considered Complete?Physical Review B, 1935