Entanglement-assisted local transformations between inequivalent classes of three-particle entangled states

Entanglement-assisted local transformations between inequivalent classes of three-particle entangled states

We show that bipartite and tripartite entangled states cannot be used as catalysis states to enable local transformations inbetween inequivalent classes of three-particle entangled states which are non-interchangeable under local transformations. We find the optimal protocol for conversion of a cert...

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Veröffentlicht in:Physics letters. A 2001-08, Vol.287 (1), p.12-18
Hauptverfasser: Ghiu, Iulia, Bourennane, Mohamed, Karlsson, Anders
Format: Artikel
Sprache:eng
Schlagworte:
bell theorem
channels
distillation
manipulation
quantum computation
Quantum entanglement
Quantum information
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Zusammenfassung:We show that bipartite and tripartite entangled states cannot be used as catalysis states to enable local transformations inbetween inequivalent classes of three-particle entangled states which are non-interchangeable under local transformations. We find the optimal protocol for conversion of a certain family of the W-states and an EPR-pair into the GHZ-state.
ISSN:0375-9601
1873-2429
1873-2429
DOI:10.1016/S0375-9601(01)00446-7