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The spectrum of boundary states in symmetric orbifolds

Journal of High Energy Physics, ISSN: 1029-8479, Vol: 2022, Issue: 1
2022
  • 20
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  • Citations
    20
    • Citation Indexes
      20
  • Captures
    5

Article Description

We give an explicit construction of the complete set of Cardy boundary states that respect the extended chiral algebra for symmetric product orbifolds. The states are labelled by a choice of seed theory boundary states as well as a choice of representations of the symmetric group. At large N, we analyze the BCFT data which is relevant for holography, namely the boundary entropy and the one-point functions of single-trace operators. In some cases, typical boundary states are compatible with a bulk description in terms of an End-of-the-World brane along with backreacted matter fields. We discuss the significance of these results for the AdS/BCFT correspondence.

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