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<p>The recently devised chiral algebra bootstrap computes the form factors of a special class of “twistorial” 4d QFTs as correlation functions of the theory’s 2d celestial chiral algebra. Examples of twistorial theories include self-dual Yang-Mills theory coupled to special massless matter content, and certain form factors in these theories are equivalent to a subset of MHV amplitudes in massless QCD, coupled to the same matter. In this paper, we extend the chiral algebra bootstrap to include scattering in the presence of charged sources, using a self-dual dyon in a twistorial theory as our main example. Self-dual theories in the presence of such sources lift to holomorphic gauge theories on non-Hausdorff twistor space, and we generalize the Koszul duality construction of Costello and Paquette to this setting. With this approach, we easily reproduce a recent formula of Adamo, Bogna, Mason, and Sharma for <i>n</i>-point MHV scattering of gluons off the self-dual dyon.</p>

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Scattering off of twistorial line defects

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年5月28日

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  • Niklas Garner,
  • Natalie M. Paquette

摘要

The recently devised chiral algebra bootstrap computes the form factors of a special class of “twistorial” 4d QFTs as correlation functions of the theory’s 2d celestial chiral algebra. Examples of twistorial theories include self-dual Yang-Mills theory coupled to special massless matter content, and certain form factors in these theories are equivalent to a subset of MHV amplitudes in massless QCD, coupled to the same matter. In this paper, we extend the chiral algebra bootstrap to include scattering in the presence of charged sources, using a self-dual dyon in a twistorial theory as our main example. Self-dual theories in the presence of such sources lift to holomorphic gauge theories on non-Hausdorff twistor space, and we generalize the Koszul duality construction of Costello and Paquette to this setting. With this approach, we easily reproduce a recent formula of Adamo, Bogna, Mason, and Sharma for n-point MHV scattering of gluons off the self-dual dyon.