Brennen, G.
(2008),
An Observable Measure of Multiqubit Entanglement for Pure States, International Conference on Quantum Information
(Accessed July 27, 2024)
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An Observable Measure of Multiqubit Entanglement for Pure States
Published
Author(s)
G K. Brennen
Abstract
Recently, Meyer and Wallach [D.A. Meyer and N.R. Wallach (2002), J. of Math. Phys., 43, pp. 4273] proposed a measure of multi-qubit entanglement that is a function on pure states. We find that this function can be interpreted as a physical quantity related to the average purity of the constituent qubits and show how it can be observed in a quantum non-demolition measurement. A possible realization is described for measuring the entanglement of a chain of atomic qubits trapped in a 3D optical lattice.Citation
International Conference on Quantum Information
Pub Type
Journals
Keywords
entanglement
Citation
Issues
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Created October 16, 2008