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PreprintCC BY 4.0arXiv

The Fate of 1/4-BPS States in the D1-D5 CFT

  • Suzanne Bintanja
  • Amey P. Gaikwad
  • Dikshant Rathore
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Abstract

We consider the 1/4-BPS operators in the D1-D5 system on AdS3× S3× T4. We evaluate the anomalous dimensions of low-lying sectors in conformal perturbation theory around SymN(T4) exactly in N. All anomalous dimensions are consistent with recombination of the short multiplets into long ones and take a particularly simple form. We show that at finite N and at first nontrivial order in the deformation, for the sectors we consider, the BPS density of states agrees with that of the supergravity point. To the order in conformal perturbation theory we consider, this confirms that not all states that can get lifted do get lifted.

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Cite

BibTeXRIS
BibTeX
@misc{bintanja2026fate,
  title = {{The Fate of 1/4-BPS States in the D1-D5 CFT}},
  author = {Suzanne Bintanja and Amey P. Gaikwad and Dikshant Rathore},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.36057},
  eprint = {2610.36057},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.36057},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - The Fate of 1/4-BPS States in the D1-D5 CFT
AU  - Suzanne Bintanja
AU  - Amey P. Gaikwad
AU  - Dikshant Rathore
PY  - 2026
DA  - 2026/10/26
PB  - arXiv
DO  - 10.48550/arxiv.2610.36057
UR  - https://arxiv.org/abs/2610.36057
AB  - We consider the 1/4-BPS operators in the D1-D5 system on AdS_3× S^3× T^4. We evaluate the anomalous dimensions of low-lying sectors in conformal perturbation theory around Sym^N(T^4) exactly in N. All anomalous dimensions are consistent with recombination of the short multiplets into long ones and take a particularly simple form. We show that at finite N and at first nontrivial order in the deformation, for the sectors we consider, the BPS density of states agrees with that of the supergravity point. To the order in conformal perturbation theory we consider, this confirms that not all states that can get lifted do get lifted.
ER  -