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APS » Journals » Phys. Rev. Lett. » Volume 81 » Issue 17
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Phys. Rev. Lett. 81, 3631–3634 (1998)

Deterministic Entanglement of Two Trapped Ions

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Q. A. Turchette*, C. S. Wood, B. E. King, C. J. Myatt, D. Leibfried†, W. M. Itano, C. Monroe, and D. J. Wineland
Time and Frequency Division, National Institute of Standards and Technology, Boulder, Colorado 80303

Received 26 May 1998; published in the issue dated 26 October 1998

We have prepared the internal states of two trapped ions in both the Bell-like singlet and triplet entangled states. In contrast to all other experiments with entangled states of either massive particles or photons, we do this in a deterministic fashion, producing entangled states on demand without selection. The deterministic production of entangled states is a crucial prerequisite for large-scale quantum computation.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.81.3631
DOI:
10.1103/PhysRevLett.81.3631
PACS:
42.50.Ct, 03.65.Bz, 03.67.Lx, 32.80.Pj

*Electronic address: quentint@boulder.nist.gov.

†Present address: Univ. Innsbruck, Innsbruck, Austria.

 
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