Multipartite entanglement among single spins in diamond

P. Neumann; N. Mizuochi; F. Rempp; P. Hemmer; H. Watanabe; S. Yamasaki; V. Jacques; T. Gaebel; F. Jelezko; J. Wrachtrup

doi:10.1126/science.1157233

Multipartite entanglement among single spins in diamond

P. Neumann, N. Mizuochi, F. Rempp, P. Hemmer, H. Watanabe, S. Yamasaki, V. Jacques, T. Gaebel, F. Jelezko, J. Wrachtrup^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

615 Citations (Scopus)

Abstract

Robust entanglement at room temperature is a necessary requirement for practical applications in quantum technology. We demonstrate the creation of bipartite- and tripartite-entangled quantum states in a small quantum register consisting of individual 13C nuclei in a diamond lattice. Individual nuclear spins are controlled via their hyperfine coupling to a single electron at a nitrogen-vacancy defect center. Quantum correlations are of high quality and persist on a millisecond time scale even at room temperature, which is adequate for sophisticated quantum operations.

Original language	English
Pages (from-to)	1326-1329
Number of pages	4
Journal	Science
Volume	320
Issue number	5881
DOIs	https://doi.org/10.1126/science.1157233
Publication status	Published - 6 Jun 2008

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AU - Rempp, F.

AU - Hemmer, P.

AU - Watanabe, H.

AU - Yamasaki, S.

AU - Jacques, V.

AU - Gaebel, T.

AU - Jelezko, F.

AU - Wrachtrup, J.

PY - 2008/6/6

Y1 - 2008/6/6

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AB - Robust entanglement at room temperature is a necessary requirement for practical applications in quantum technology. We demonstrate the creation of bipartite- and tripartite-entangled quantum states in a small quantum register consisting of individual 13C nuclei in a diamond lattice. Individual nuclear spins are controlled via their hyperfine coupling to a single electron at a nitrogen-vacancy defect center. Quantum correlations are of high quality and persist on a millisecond time scale even at room temperature, which is adequate for sophisticated quantum operations.

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Multipartite entanglement among single spins in diamond

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