Purification via entanglement swapping and conserved entanglement
- 1 July 1999
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 60 (1) , 194-197
- https://doi.org/10.1103/physreva.60.194
Abstract
We investigate the purification of entangled states by local actions using a variant of entanglement swapping. We show that there exists a measure of entanglement which is conserved in this type of purification procedure.Keywords
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