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Robust entangling gate for polar molecules using magnetic and microwave fields

Hughes, Michael; Frye, Matthew D.; Sawant, Rahul; Bhole, Gaurav; Jones, Jonathan A.; Cornish, Simon L.; Tarbutt, M.R.; Hutson, Jeremy M.; Jaksch, Dieter; Mur-Petit, Jordi

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Authors

Michael Hughes

Matthew D. Frye

Rahul Sawant

Gaurav Bhole

Jonathan A. Jones

M.R. Tarbutt

Dieter Jaksch

Jordi Mur-Petit



Abstract

Polar molecules are an emerging platform for quantum technologies based on their long-range electric dipole–dipole interactions, which open new possibilities for quantum information processing and the quantum simulation of strongly correlated systems. Here, we use magnetic and microwave fields to design a fast entangling gate with >0.999 fidelity and which is robust with respect to fluctuations in the trapping and control fields and to small thermal excitations. These results establish the feasibility to build a scalable quantum processor with a broad range of molecular species in optical-lattice and optical-tweezers setups.

Citation

Hughes, M., Frye, M. D., Sawant, R., Bhole, G., Jones, J. A., Cornish, S. L., …Mur-Petit, J. (2020). Robust entangling gate for polar molecules using magnetic and microwave fields. Physical Review A, 101(6), Article 062308. https://doi.org/10.1103/physreva.101.062308

Journal Article Type Article
Acceptance Date May 7, 2020
Online Publication Date Jun 3, 2020
Publication Date 2020-06
Deposit Date Jun 9, 2020
Publicly Available Date Jun 9, 2020
Journal Physical Review A
Print ISSN 1050-2947
Electronic ISSN 1094-1622
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 101
Issue 6
Article Number 062308
DOI https://doi.org/10.1103/physreva.101.062308
Public URL https://durham-repository.worktribe.com/output/1263077

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Copyright Statement
Reprinted with permission from the American Physical Society: Hughes, Michael, Frye, Matthew D., Sawant, Rahul, Bhole, Gaurav, Jones, Jonathan A., Cornish, Simon L., Tarbutt, M. R., Hutson, Jeremy M., Jaksch, Dieter & Mur-Petit, Jordi (2020). Robust entangling gate for polar molecules using magnetic and microwave fields. Physical Review A 101(6): 062308 © 2020 by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.






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