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Solving AdS_3 string theory at minimal tension: tree-level correlators

Andrea Dei, Bob Knighton, Kiarash Naderi

28/1/24 Published in : arXiv:2312.04622

We revisit the minimal tension (k=1) string theory on \text{AdS}_3\times\text{S}^3\times\mathbb{T}^4. We propose a new free-field description of the worldsheet theory and show how localization of string amplitudes emerges from the path integral. We exemplify our proposal by reproducing the worldsheet partition function of the \mathfrak{psu}(1,1|2)_1 WZW model and providing explicit expressions for spectrally-flowed vertex operators and DDF operators. We compute string correlators in the path integral formalism and obtain a precise tree-level match with correlation functions of the boundary symmetric orbifold.

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Phase I & II research project(s)

  • String Theory
  • Field Theory

Phase III direction(s)

  • Holography and bulk-boundary correspondence

Stochastic Variational Principles for Dissipative Equations with Advected Quantities

Spectral flow and localisation in AdS_3 string theory

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The National Centres of Competence in Research (NCCRs) are a funding scheme of the Swiss National Science Foundation

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