Boundary scattering in massless $AdS_3$

Alessandro Torrielli (University of Surrey); Andrea Prinsloo (University of Surrey); Chulalongkorn University); Daniele Bielli (University of Surrey; Queen Mary University of London); Vaibhav Gautam (University of Surrey; Vasileios Moustakis (University of Surrey)

Boundary scattering in massless $AdS_3$

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arxiv 2403.18594 v2 pith:DTRHG7BO submitted 2024-03-27 hep-th

Daniele Bielli (University of Surrey , Chulalongkorn University) , Vaibhav Gautam (University of Surrey , Queen Mary University of London) , Vasileios Moustakis (University of Surrey) , Andrea Prinsloo (University of Surrey) , Alessandro Torrielli (University of Surrey) This is my paper · ORCID

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keywords boundarymasslessscatteringpossibletheorytimesbasiccheck

verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

We study the boundary integrability problem of the massless sector of $AdS_3 \times S^3 \times T^4 $ string theory. Exploiting the difference-form of the massless scattering theory, we find a very simple and exhaustive list of reflection matrices for all the possible boundary coideal subalgebras - singlet and vector representations, right and left boundary - and check basic properties of our solutions, primarily the boundary Yang-Baxter equation, for all possible combinations of scattering particles.

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Boundary Bethe ansatz in massive $AdS_3$
hep-th 2025-06 conditional novelty 6.0 of 10

The authors derive universal auxiliary Bethe equations and transfer-matrix eigenvalues for massive representations of the AdS3xS3xT4 integrable string with singlet and vector boundaries.

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