Publication

Supersymmetry and integrability of the elliptic AdS3 × S3 × T4 superstring

2026

Abstract

We construct a 1-parameter family of Ramond-Ramond fluxes supporting the elliptic AdS 3 × S 3 × T 4 metric with constant dilaton and preserving 8 of the 16 supercharges of the undeformed background. On the supersymmetric locus, we compute the tree-level worldsheet S-matrix in uniform light-cone gauge up to quadratic order in fermions and find that it non-trivially satisfies the classical Yang-Baxter equation. Moreover, imposing classical integrability and symmetries, we conjecture compatible processes quartic in fermions. We also investigate different limits of interest, including trigonometric deformations and the limit to the AdS 2 × S 2 × T 6 superstring. Our results provide strong evidence for a supersymmetric and integrable elliptic deformation of the AdS 3 × S 3 × T 4 superstring supported by Ramond-Ramond flux and a constant dilaton.

Official source

https://infoscience.epfl.ch/entities/publication/15652237-5641-4fb0-ba7c-8969d4e8d4ca

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2026

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/15652237-5641-4fb0-ba7c-8969d4e8d4ca

About this result

Related concepts (32)

String theory

In physics, string theory is a theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called strings. String theory describes how these strings propagate through space and interact with each other. On distance scales larger than the string scale, a string looks just like an ordinary particle, with its mass, charge, and other properties determined by the vibrational state of the string.

String field theory

String field theory (SFT) is a formalism in string theory in which the dynamics of relativistic strings is reformulated in the language of quantum field theory. This is accomplished at the level of perturbation theory by finding a collection of vertices for joining and splitting strings, as well as string propagators, that give a Feynman diagram-like expansion for string scattering amplitudes. In most string field theories, this expansion is encoded by a classical action found by second-quantizing the free string and adding interaction terms.

D-brane

In string theory, D-branes, short for Dirichlet membrane, are a class of extended objects upon which open strings can end with Dirichlet boundary conditions, after which they are named. D-branes are typically classified by their spatial dimension, which is indicated by a number written after the D. A D0-brane is a single point, a D1-brane is a line (sometimes called a "D-string"), a D2-brane is a plane, and a D25-brane fills the highest-dimensional space considered in bosonic string theory.