Eberhardt, Lorenz Supersymmetric \(\mathrm{AdS}_{3}\) supergravity backgrounds and holography. (English) Zbl 1387.83102 J. High Energy Phys. 2018, No. 2, Paper No. 87, 24 p. (2018). Summary: We analyse the conditions for \(\mathrm{AdS}_{3} \times {\mathcal{M}}_7\) backgrounds with pure NS-NS flux to be supersymmetric. We classify all \( \mathcal{N}=\left(2, 2\right) \) solutions where \({\mathcal{M}}_7\) satisfies the stronger condition of being a U(1)-fibration over a Kähler manifold. We compute the BPS spectrum of all the backgrounds in this classification. We assign a natural dual CFT to the backgrounds and confirm that the BPS spectra agree, thus providing evidence in favour of the proposal. Cited in 26 Documents MSC: 83E50 Supergravity 81T40 Two-dimensional field theories, conformal field theories, etc. in quantum mechanics 81T60 Supersymmetric field theories in quantum mechanics 53B35 Local differential geometry of Hermitian and Kählerian structures Keywords:supergravity models; AdS-CFT correspondence; superstring vacua PDF BibTeX XML Cite \textit{L. Eberhardt}, J. High Energy Phys. 2018, No. 2, Paper No. 87, 24 p. (2018; Zbl 1387.83102) Full Text: DOI arXiv References: [1] J.M. Maldacena, The large N limit of superconformal field theories and supergravity, Int. J. Theor. Phys.38 (1999) 1113 [hep-th/9711200] [INSPIRE]. · Zbl 0969.81047 [2] O. Aharony, S.S. Gubser, J.M. Maldacena, H. Ooguri and Y. Oz, Large N field theories, string theory and gravity, Phys. Rept.323 (2000) 183 [hep-th/9905111] [INSPIRE]. · Zbl 1368.81009 [3] S. Elitzur, O. Feinerman, A. Giveon and D. Tsabar, String theory on AdS3 × S3 × S3 × S1, Phys. 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