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Radio-Frequency Manipulation of State Populations in an Entangled Fluorine-Muon-Fluorine System

David Billington, Edward Riordan, Majdi Salman, Daniel Margineda, George J. W. Gill, Stephen P. Cottrell, Iain McKenzie, Tom Lancaster, Michael J. Graf, and Sean R. Giblin
Phys. Rev. Lett. 129, 077201 – Published 9 August 2022
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Abstract

Entangled spin states are created by implanting muons into single-crystal LiY0.95Ho0.05F4 to form a cluster of correlated, dipole-coupled local magnetic moments. The resulting states have well-defined energy levels allowing experimental manipulation of the state populations by electromagnetic excitation. Experimental control of the evolution of the muon spin polarization is demonstrated through application of continuous, radio-frequency electromagnetic excitation fields. A semiclassical model of quantum, dipole-coupled spins interacting with a classical, oscillating magnetic field accounts for the muon spin evolution. On application of the excitation field, this model shows how changes in the state populations lead to the experimentally observed effects, thus enabling a spectroscopic probe of entangled spin states with muons.

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  • Received 13 April 2022
  • Accepted 12 July 2022

DOI:https://doi.org/10.1103/PhysRevLett.129.077201

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

David Billington1,*, Edward Riordan1, Majdi Salman1, Daniel Margineda1, George J. W. Gill1, Stephen P. Cottrell2, Iain McKenzie3, Tom Lancaster4, Michael J. Graf5, and Sean R. Giblin1,†

  • 1School of Physics and Astronomy, Cardiff University, Queen’s Building, The Parade, Cardiff CF24 3AA, United Kingdom
  • 2ISIS Facility, Rutherford Appleton Laboratory, Harwell Campus, Didcot, Oxon OX11 0QX, United Kingdom
  • 3TRIUMF, Vancouver, British Columbia V6T 2A3, Canada
  • 4Department of Physics, Centre for Materials Physics, Durham University, Durham DH1 3LE, United Kingdom
  • 5Department of Physics, Boston College, Chestnut Hill, Massachusetts 02467, USA

  • *billingtond1@cardiff.ac.uk
  • giblinsr@cardiff.ac.uk

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Issue

Vol. 129, Iss. 7 — 12 August 2022

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