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Entanglement Theory Quantum Correlations
Monogamy and entanglement in tripartite quantum states
arXiv
Authors: Chang-shui Yu, He-shan Song
Year
2009
Paper ID
9198
Status
Preprint
Abstract Read
~2 min
Abstract Words
79
Citations
N/A
Abstract
We present an interesting monogamy equation for \(2 otimes 2 otimes n\)-dimensional pure states, by which a quantity is found to characterize the tripartite entanglement with the GHZ type and W typeentanglements as a whole. In particular, we, for the first time, reveals that for any quantum state of a pair of qubits, the difference between the two remarkable entanglement measures, concurrence and negativity, characterizes the W type entanglement of tripartite pure states with the two-qubit state as reduced density.
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- We present an interesting monogamy equation for (2 otimes 2 otimes n)-dimensional pure states, by which a quantity is found to characterize the tripartite entanglement with the...
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