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Rabi oscillations with close-range quantum vortex states

Sam Patrick*

  • Department of Physics and Astronomy, Photon Science Institute, University of Manchester, Manchester M13 9PL, United Kingdom and Department of Physics, King's College London, University of London, Strand, London WC2R 2LS, United Kingdom

  • *Contact author: sam.patrick@manchester.ac.uk
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Phys. Rev. A 113, 063309 – Published 4 June, 2026

DOI: https://doi.org/10.1103/l5qz-jz8m

Abstract

Quantum vortices separated by distances much larger than their core size interact via their long-range velocity field. At smaller separations, however, the influence of the core's compressibility strongly influences the vortex dynamics. Using the example of a compact necklace of five vortices, it is shown that close-range effects lead to a new (slower) state of orbital motion, which is not predicted by the usual long-range theory. It is demonstrated that control can be exerted over the vortex dynamics by modulating the interaction strength to induce Rabi oscillations between the fast and slow orbital states. A better understanding of these close-range states may have consequences for physical scenarios involving compact vortex clusters, such as quantum fluids with dissipative losses.

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Phys. Rev. A 113, 063309– Published 4 June, 2026
  • Received 17 July 2025
  • Accepted 12 May 2026
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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.

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