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Entanglement Theory Quantum Correlations
Measurable entanglement for tripartite quantum pure states of qubits
arXiv
Authors: Chang-shui Yu, He-shan Song
Year
2007
Paper ID
49163
Status
Preprint
Abstract Read
~2 min
Abstract Words
76
Citations
N/A
Abstract
We show that for tripartite quantum pure states of qubits, all the kinds of entanglement in terms of SLOCC classification are experimentally measurable by simple projective measurements, provided that four copies of the composite quantum system are available. In particular, the entanglement of reduced density matrices, even though they are mixed states, can be exactly determined in experiment. Concurrence of assistance is also shown to be measurable by introducing an interesting equations with explicit physical meanings.
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- We show that for tripartite quantum pure states of qubits, all the kinds of entanglement in terms of SLOCC classification are experimentally measurable by simple projective...
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