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We study the analytic continuation of the finite-volume energy levels of the sinh-Gordon model. The structure is surprisingly rich, and in the small-coupling limit we find systematic patterns which suggest that a complete picture may be possible.

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Analytic continuation in the sinh-Gordon model

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  • 发表日期：

    2026年

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  • Patrick Dorey,
  • Brandon Morrison

摘要

We study the analytic continuation of the finite-volume energy levels of the sinh-Gordon model. The structure is surprisingly rich, and in the small-coupling limit we find systematic patterns which suggest that a complete picture may be possible.