Quantum computations with atoms in optical lattices: Marker qubits and molecular interactions
Open accessAbstract
We develop a scheme for quantum computation with neutral atoms, based on the concept of ``marker'' atoms, i.e., auxiliary atoms that can be efficiently transported in state-independent periodic external traps to operate quantum gates between physically distant qubits. This allows for relaxing a number of experimental constraints for quantum computation with neutral atoms in microscopic potential, including single-atom laser addressability. We discuss the advantages of this approach in a concrete physical scenario involving molecular interactions.
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For the spin-chain model, the bound on the minimum transfer time is T_QSL/(N-1) ≥ max{π/(2∆E1); π/(2∆E2)}, which must be satisfied by any H(t) that brings the initial state to the target state in time T.
“The bound on the minimum transfer time is then given by T QSL / ( N -1) ≥ max { π 2∆ E 1 ; π 2∆ E 2 } , which needs to be satisfied by any H ( t ) that brings | ψ (0) 〉 to the target state | ψ G 〉 in a time T .”
From Optimal Control at the Quantum Speed Limit (2009) · cites this paper as [6]
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References 41 · Cited by 172
Research works printed but not linked: 2
- [20]L.-M. Duan, B. B. Blinov, D. L. Moehring, and C. Monroe (2004), quant-ph/0401020. · arXiv
- Flannery, Numerical Recipes in C (Cambridge University Press, Cambridge, 1992), 2nd ed.
- Authors
- Calarco, T., Dorner, U., Julienne, P. S., Williams, C. J., & Zoller, P.
- Affiliations
- Austrian Academy of Sciences (AT)
- National Institute of Standards and Technology (US)
- Venue
- Physical Review A
- Publisher
- American Physical Society (APS)
- Published
- 2004-07-12
- Volume
- 70
- Issue
- 1
- ISSN
- 0556-2791 (ISSN-L)
- 1050-2947
- 1094-1622
- OpenAlex
- W1978145373
- Cited by
- 172
- References
- 41
- Citations by year
- 2026: 2 · 2025: 2 · 2024: 2 · 2023: 7 · 2022: 2 · 2021: 2 · 2020: 7 · 2019: 1 · 2018: 2 · 2017: 2 · 2016: 7 · 2015: 4 · 2014: 9 · 2013: 5 · 2012: 8
- FWCI
- 10.84
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- Physical Review A (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- CERN Document Server (European Organization for Nuclear Research) (submittedVersion)
- arXiv (Cornell University)
- Topics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Cold Atom Physics and Bose-Einstein Condensates
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Computing Algorithms and Architecture
- Keywords
- quantum computing, neutral atoms, optical lattices, quantum gates, molecular interactions
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