Comment on "Multipartite Entanglement Among Single Spins in Diamond"

Author:

Lovett Brendon W.12,Benjamin Simon C.12

Affiliation:

1. Department of Materials, Oxford University, Oxford OX1 3PH, UK.

2. Centre for Quantum Technologies, National University of Singapore, 117543 Singapore.

Abstract

Neumann et al . (Reports, 6 June 2008, p. 1326) recently reported the preparation of multiparticle entanglement among single spins in diamond. However, two of the system's nuclear eigenstates are incorrectly described as product states when they are inherently entangled. Consequently, three of the six states reported, namely the odd-parity Bell states and the W state, were not actually produced.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Cited by 5 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Quantum Optical Diamond Technologies;Optical Engineering of Diamond;2013-03-28

2. Entanglement of electron spins and geometric phases in the diamond color center coupled to the P1 center;Physical Review B;2012-11-29

3. Quantum control in spintronics;Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences;2011-08-13

4. Could one make a diamond-based quantum computer?;Journal of Physics: Condensed Matter;2009-08-19

5. Response to Comment on "Multipartite Entanglement Among Single Spins in Diamond";Science;2009-02-27

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