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  • Letter
  • Open Access

Tilting space of boundary conformal field theories

Christopher P. Herzog and Vladimir Schaub

  • Mathematics Department, King’s College London, The Strand WC2R 2LS, England

Phys. Rev. D 109, L061701 – Published 13 March, 2024

DOI: https://doi.org/10.1103/PhysRevD.109.L061701

Abstract

In boundary conformal field theories, global symmetries can be broken by boundary conditions, generating a homogeneous conformal manifold. We investigate these geometries, showing they have a coset structure, and give fully worked out examples in the case of free fields of spin zero and one-half. These results give a simple illustration of the salient features of conformal manifolds while generalizing to interacting and more intricate setups. Our work was inspired by Drukker et al. [Phys. Rev. Lett. 129, 201603 (2022)].

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