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PreprintCC BY 4.0arXiv

TT̅ correlators from tensionless strings

  • Andrea Dei
  • Kiarash Naderi
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Abstract

Motivated by earlier approaches, we develop a worldsheet framework for computing correlation functions in the single trace T T̅-deformed tensionless AdS3/CFT2 duality. By describing the deformed bulk theory as a Berkovits-Vafa 𝒩=4 topological string, we obtain a consistent definition of physical states and correlation functions, yielding a tractable setup for testing aspects of holography beyond AdS/CFT. We construct deformed physical vertex operators and compute their tree-level two-point functions exactly. We discuss the relation of our results to previous proposals for T T̅-deformed two-point functions obtained from alternative worldsheet approaches, JT gravity, and perturbative field theory computations.

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Cite

BibTeXRIS
BibTeX
@misc{dei2026correlators,
  title = {{$T\overlineT$ correlators from tensionless strings}},
  author = {Andrea Dei and Kiarash Naderi},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2606.12172},
  eprint = {2606.12172},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.12172},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - TT̅ correlators from tensionless strings
AU  - Andrea Dei
AU  - Kiarash Naderi
PY  - 2026
DA  - 2026/10/30
PB  - arXiv
DO  - 10.48550/arxiv.2606.12172
UR  - https://arxiv.org/abs/2606.12172
AB  - Motivated by earlier approaches, we develop a worldsheet framework for computing correlation functions in the single trace T T̅-deformed tensionless AdS_3/CFT_2 duality. By describing the deformed bulk theory as a Berkovits-Vafa 𝒩=4 topological string, we obtain a consistent definition of physical states and correlation functions, yielding a tractable setup for testing aspects of holography beyond AdS/CFT. We construct deformed physical vertex operators and compute their tree-level two-point functions exactly. We discuss the relation of our results to previous proposals for T T̅-deformed two-point functions obtained from alternative worldsheet approaches, JT gravity, and perturbative field theory computations.
ER  -