Deterministic Entanglement of Two Trapped Ions
Open accessAbstract
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.
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In those post-selection experiments, the underlying state is factorizable and so is not truly entangled.
“However, the underlying state is factorizable, and so is not truly entangled.”
From Nonmaximally Entangled States: Production, Characterization, and Utilization (1999) · cites this paper as [18]
On p. 1, the paper calls the earlier photon and massive-particle experiments studies of entangled states and says their processes were selectable rather than deterministic. It does not say their underlying states were factorizable or that the states were not truly entangled; its distinction is whether entanglement is generated on demand. (LLM, conf=0.87)
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Experimental — accuracy not yet measuredSeveral optical experiments have controllably generated non-maximally entangled states via post-selection, i.e., selective measurement of a product state, after the state had been produced.
“there have been several optical experiments where non-maximally entangled states were controllably generated via post-selection , i.e., selective measurement of a product state, after the state had been produced [18,19].”
From Nonmaximally Entangled States: Production, Characterization, and Utilization (1999) · cites this paper as [18]
The introduction (p. 1) says earlier photon-entanglement experiments involved random processes and were selectable rather than deterministic. It does not say those experiments controllably generated non-maximally entangled states, or describe post-selection as selective measurement of a product state after production. (LLM, conf=0.85)
Experimental — accuracy not yet measured
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- Authors
- Turchette, Q. A., Wood, C. S., King, B. E., Myatt, C. J., Leibfried, D., Itano, W. M., Monroe, C., & Wineland, D. J.
- Affiliations
- National Institute of Standards and Technology (US)
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1998-10-26
- Volume
- 81
- Issue
- 17
- Pages
- 3631-3634
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2593972252
- Cited by
- 639
- References
- 11
- Citations by year
- 2026: 3 · 2025: 6 · 2024: 9 · 2023: 15 · 2022: 11 · 2021: 13 · 2020: 13 · 2019: 43 · 2018: 11 · 2017: 15 · 2016: 21 · 2015: 19 · 2014: 20 · 2013: 24 · 2012: 25
- FWCI
- 48.48
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- Physical Review Letters (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- arXiv (Cornell University)
- Topics
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum Mechanics and Applications
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Cold Atom Physics and Bose-Einstein Condensates
- Keywords
- trapped ions, deterministic entanglement, Bell states, singlet state, triplet state, entangled states, quantum computing
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