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  • Open Access

Kerr Black Hole Dynamics from an Extended Polyakov Action

N. Emil J. Bjerrum-Bohr1,2,*, Gang Chen1,2,†, Chenliang Su2,‡, and Tianheng Wang3,§

  • *Contact author: bjbohr@nbi.dk
  • †Contact author: gang.chen@nbi.ku.dk
  • ‡Contact author: chenliang.su@nbi.ku.dk
  • §Contact author: tianhengwang@snu.ac.kr
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Phys. Rev. Lett. 136, 071601 – Published 19 February, 2026

DOI: https://doi.org/10.1103/k5g2-q38q

Abstract

We examine a hypersurface model for the classical dynamics of spinning black holes. Under specific, rigid geometric constraints, it reveals an intriguing solution resembling expectations for the Kerr Black hole three-point amplitude. We explore various generalizations of this formalism and outline potential avenues for applying it to analyze the attraction of spinning black holes.

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  81. We thank Yuexiang Zhang for discussions on this point and for sharing his calculations for cross-checking.

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Phys. Rev. Lett. 136, 071601– Published 19 February, 2026
  • Received 4 May 2025
  • Revised 21 October 2025
  • Accepted 28 January 2026
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