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Erratum: Betatron frequency and the Poincaré rotation number [Phys. Rev. Accel. Beams 23, 054001 (2020)]

Sergei Nagaitsev and Timofey Zolkin

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Phys. Rev. Accel. Beams 29, 029901 – Published 11 February, 2026

DOI: https://doi.org/10.1103/h4zy-7cs8

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Original Article

Betatron frequency and the Poincaré rotation number

Sergei Nagaitsev and Timofey Zolkin
Phys. Rev. Accel. Beams 23, 054001 (2020)

References (1)

  1. The value of J′ is independent of its initial boundary, which can be any continuous piecewise differentiable curve originating from the fixed point.

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Phys. Rev. Accel. Beams 29, 029901– Published 11 February, 2026
  • Received 14 January 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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