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New local solutions in type II supergravity that are foliations of AdS$_3\times S^3\times S^3$ over an interval and preserve at least large $\mathcal{N}=(4,0)$ supersymmetry are found. Some cases have compact internal space, some not and…

High Energy Physics - Theory · Physics 2019-06-26 Niall T. Macpherson

We construct a plethora of type-II supergravity solutions featuring AdS factors in their geometries, derived from integrable deformations of coset CFTs. Specifically, we uplift the $\lambda$-deformed models of $SO(4)_k/SO(3)_k$ and…

High Energy Physics - Theory · Physics 2025-06-23 Georgios Itsios

We investigate the stability of the non-supersymmetric solutions of type-IIB supergravity having an unwarped $AdS$ factor and $\lambda$-deformed subspaces found in arXiv:1911.12371. Among the plethora of solutions we study the perturbative…

High Energy Physics - Theory · Physics 2021-07-28 Georgios Itsios , Pantelis Panopoulos , Konstantinos Sfetsos , Dimitrios Zoakos

Multi-parameter families of $\mathcal{N}=0$ Type IIA and Type IIB AdS$_5$ solutions are presented, promoting to $\mathcal{N}=1$ in some special cases. The G-Structure description of each $\mathcal{N}=1$ solution is given, requiring an…

High Energy Physics - Theory · Physics 2024-08-27 Paul Merrikin

We analyze the supersymmetry conditions for a class of SU(2) structure backgrounds of Type IIB supergravity, corresponding to a specific ansatz for the supersymmetry parameters. These backgrounds are relevant for the AdS/CFT correspondence…

High Energy Physics - Theory · Physics 2009-11-11 Ruben Minasian , Michela Petrini , Alberto Zaffaroni

We construct a family of type IIB string backgrounds that are deformations of $\rm AdS_3 \times S^3 \times T^4$ with a "squashed" $\rm AdS_3 \times S^3$ metric supported by a combination of NSNS and RR fluxes. They have global $\rm SU(1,1)…

High Energy Physics - Theory · Physics 2022-09-21 Ben Hoare , Fiona K. Seibold , Arkady A. Tseytlin

In M-theory, the only AdS_7 supersymmetric solutions are AdS_7 x S^4 and its orbifolds. In this paper, we find and classify new supersymmetric solutions of the type AdS_7 x M_3 in type II supergravity. While in IIB none exist, in IIA with…

High Energy Physics - Theory · Physics 2015-06-17 Fabio Apruzzi , Marco Fazzi , Dario Rosa , Alessandro Tomasiello

We construct multiple embeddings of all solutions of $d=5$ minimal (un)gauged supergravity into massive Type IIA supergravity. The internal spaces and warpings of such embeddings are the same as those of the $\mathcal{N}=1$ supersymmetric…

High Energy Physics - Theory · Physics 2023-02-01 Christopher Couzens , Niall T. Macpherson , Achilleas Passias

We are examining a newly discovered parametric family of backgrounds in massive type IIA supergravity that contains a warped $\text{AdS}_5$ factor. This family is the dual gravity description of $4$-dimensional quivers with $\mathcal{N}=1$…

High Energy Physics - Theory · Physics 2024-12-18 José Manuel Penín , Konstantinos C. Rigatos

We investigate half-BPS Type IIB supergravity solutions with spacetime geometry $AdS_2\times S^6$ warped over a Riemann surface $\Sigma$. The general local solution was obtained in earlier work in terms of two holomorphic functions…

High Energy Physics - Theory · Physics 2019-03-27 David Corbino , Eric D'Hoker , Justin Kaidi , Christoph F. Uhlemann

We construct $\mathcal{N}=(2,2)$ supersymmetric AdS$_3$ solutions of type IIB supergravity, dual to twisted compactifications of 4d $\mathcal{N}=4$ super-Yang--Mills on Riemann surfaces. We consider both theories with a regular topological…

High Energy Physics - Theory · Physics 2022-03-14 Christopher Couzens , Niall T. Macpherson , Achilleas Passias

We perform a complete classification of AdS$_2$ solutions of Type II supergravity realising $\mathcal{N}=6$ supersymmetry and OSp$(6|2)$ superconformal symmetry on backgrounds that are foliations of AdS$_2 \times \mathbb{CP}^3$ over a…

High Energy Physics - Theory · Physics 2025-10-06 Andrea Conti , Yolanda Lozano , Niall T. Macpherson

We derive necessary and sufficient conditions for warped AdS$_2$ solutions of Type II supergravity to preserve ${\cal N}=1$ supersymmetry, in terms of bispinors. Such solutions generically support an SU$(3)$-structure on their internal…

High Energy Physics - Theory · Physics 2024-06-11 Andrea Legramandi , Niall T. Macpherson , Achilleas Passias

We analyse the spectrum of Kaluza-Klein excitations above three distinct families of ${\cal N}=1$ AdS$_4$ solutions of type IIB supergravity of typically non-geometric, S-fold type that have been recently found. For all three families, we…

High Energy Physics - Theory · Physics 2022-09-07 Mattia Cesàro , Gabriel Larios , Oscar Varela

Explicit formulae are given for the consistent truncation of massive type IIA supergravity on the six-sphere to the SU(3)--invariant sector of $D=4$ ${\cal N}=8$ supergravity with dyonic ISO(7) gauging. These formulae are then used to…

High Energy Physics - Theory · Physics 2016-07-19 Oscar Varela

We investigate the existence of half-BPS solutions in Type IIB supergravity which are invariant under the superalgebra SU(2,2|2) realized on either AdS_5 x S^2 x S^1 or AdS_5 x S^3 warped over a Riemann surface \Sigma with boundary. We…

High Energy Physics - Theory · Physics 2014-11-20 Eric D'Hoker , Yu Guo

We consider warped AdS$_3\times $S$^2\times$M$_5$ backgrounds in type II supergravity preserving small ${\cal N}=(4,0)$ supersymmetry. We show that imposing ${\cal N}=(4,0)$ supersymmetry imposes between 0 and 3 a priori isometries in the…

High Energy Physics - Theory · Physics 2022-05-11 Niall T. Macpherson , Anayeli Ramirez

We obtain a family of type IIB superstring backgrounds involving Ramond-Ramond fields in ten dimensions starting from a heterotic string background with vanishing gauge fields. To this end the global $SL(2,R)$ symmetry of the type IIB…

High Energy Physics - Theory · Physics 2009-10-30 Supriya Kar , Alok Kumar , Gautam Sengupta

Building on our recent results on dynamic SU(3)xSU(3) structures we present a set of sufficient conditions for supersymmetric AdS4xM6 backgrounds of type IIA/IIB supergravity. These conditions ensure that the background solves, besides the…

High Energy Physics - Theory · Physics 2009-10-02 Dieter Lust , Dimitrios Tsimpis

We give a master formula for the spin-2 spectrum of a class of three-dimensional Chern-Simons theories at large $N$, with flavour group containing SU(3), that arise as infrared fixed points of the D2-brane worldvolume field theory and have…

High Energy Physics - Theory · Physics 2018-02-14 Yi Pang , Junchen Rong , Oscar Varela