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We first classify all supersymmetric solutions of the 3-dimensional half-maximal ungauged supergravity that possess a timelike Killing vector coming from the Killing spinor bilinear by considering their identification under the…

High Energy Physics - Theory · Physics 2015-07-09 Nihat Sadik Deger , George Moutsopoulos , Henning Samtleben , Ozgur Sarioglu

We consider geometric and supergravity Killing spinors and the spinor bilinears constructed out of them. The spinor bilinears of geometric Killing spinors correspond to the antisymmetric generalizations of Killing vector fields which are…

High Energy Physics - Theory · Physics 2016-07-18 Özgür Açık , Ümit Ertem

Benefiting from the index spinorial formalism, the Killing spinor equation is integrated in six-dimensional spacetimes. The integrability conditions for the existence of a Killing spinor are worked out and the Killing spinors are classified…

High Energy Physics - Theory · Physics 2016-03-09 Carlos Batista

We perform the generalised dimensional reduction of D=11 supergravity over three-dimensional group manifolds as classified by Bianchi. Thus, we construct eleven different maximal D=8 gauged supergravities, two of which have an additional…

High Energy Physics - Theory · Physics 2009-11-10 Eric Bergshoeff , Ulf Gran , Roman Linares , Mikkel Nielsen , Tomas Ortin , Diederik Roest

We consider the dimensional reduction of eleven dimensional supergravity to type IIA in ten dimensions, and study the conditions for supersymmetry in terms of p-form spinor bi-linears of the supersymmetry parameter. For a bosonic solution…

High Energy Physics - Theory · Physics 2009-11-10 P. M. Saffin

The techniques of spinorial geometry are used to classify solutions admitting Killing spinors in the theory of minimal anti-de Sitter $N=2$, $D=4$ supergravity, where the gauge kinetic term comes with the opposite sign. There are four…

High Energy Physics - Theory · Physics 2020-01-08 J. B. Gutowski , W. A. Sabra

We develop a new framework for the study of generalized Killing spinors, where generalized Killing spinor equations, possibly with constraints, can be formulated equivalently as systems of partial differential equations for a polyform…

Differential Geometry · Mathematics 2022-02-15 Vicente Cortés , Calin Lazaroiu , C. S. Shahbazi

We have found generic Killing spinor identities which bosonic equations of motion have to satisfy in supersymmetric theories if the solutions admit Killing spinors. Those identities constrain possible quantum corrections to bosonic…

High Energy Physics - Theory · Physics 2007-05-23 Renata Kallosh , Tomas Ortin

We study constrained generalized Killing spinors over the metric cone and cylinder of a (pseudo-)Riemannian manifold, developing a toolkit which can be used to investigate certain problems arising in supersymmetric flux compactifications of…

High Energy Physics - Theory · Physics 2013-10-22 Calin-Iuliu Lazaroiu , Elena-Mirela Babalic

We outline the solution of the Killing spinor equations of the heterotic supergravity. In addition, we describe the classification of all half supersymmetric solutions.

Differential Geometry · Mathematics 2008-11-11 Ulf Gran , George Papadopoulos

We study superconformal and supersymmetric theories on Euclidean four- and three-manifolds with a view toward holographic applications. Preserved supersymmetry for asymptotically locally AdS solutions implies the existence of a (charged)…

High Energy Physics - Theory · Physics 2015-06-05 Claudius Klare , Alessandro Tomasiello , Alberto Zaffaroni

We describe off-shell $\mathcal{N}=1$ M-theory compactifications down to four dimensions in terms of eight-dimensional manifolds equipped with a topological $Spin(7)$-structure. Motivated by the exceptionally generalized geometry…

High Energy Physics - Theory · Physics 2016-11-30 Mariana Graña , C. S. Shahbazi , Marco Zambon

We show how the Killing spinors of some maximally supersymmetric supergravity solutions whose metrics describe symmetric spacetimes (including $AdS,AdS\times S$ and H$pp$-waves) can be easily constructed using purely geometrical and…

High Energy Physics - Theory · Physics 2009-11-07 N. Alonso-Alberca , E. Lozano-Tellechea , T. Ortin

The requirement of ${\cal N}=1$ supersymmetry for M-theory backgrounds of the form of a warped product ${\cal M}\times_{w}X$, where $X$ is an eight-manifold and ${\cal M}$ is three-dimensional Minkowski or AdS space, implies the existence…

High Energy Physics - Theory · Physics 2009-11-11 Dimitrios Tsimpis

The seven and nine dimensional geometries associated with certain classes of supersymmetric $AdS_3$ and $AdS_2$ solutions of type IIB and D=11 supergravity, respectively, have many similarities with Sasaki-Einstein geometry. We further…

High Energy Physics - Theory · Physics 2008-11-26 Jerome P. Gauntlett , Nakwoo Kim

Solutions of five dimensional minimal de Sitter supergravity admitting Killing spinors are considered. It is shown that the "timelike'' solutions are determined in terms of a four dimensional hyper-Kahler torsion (HKT) manifold. If the HKT…

High Energy Physics - Theory · Physics 2009-01-26 Jai Grover , Jan B. Gutowski , Carlos A. R. Herdeiro , Wafic Sabra

We classify the supersymmetric solutions of minimal $N=2$ gauged supergravity in four dimensions with neutral signature. They are distinguished according to the sign of the cosmological constant and whether the vector field constructed as a…

High Energy Physics - Theory · Physics 2015-09-23 Dietmar Klemm , Masato Nozawa

We review the topological structure, sitting in any supergravity theory, which has been recently discovered in arXiv: 1801.04940. We describe how such a structure allows for a cohomological reformulation of the generalized Killing spinor…

High Energy Physics - Theory · Physics 2018-01-30 Dario Rosa

We study the spinorial Killing equation of supergravity involving a torsion 3-form $\T$ as well as a flux 4-form $\F$. In dimension seven, we construct explicit families of compact solutions out of 3-Sasakian geometries, nearly parallel…

Differential Geometry · Mathematics 2014-07-21 Ilka Agricola , Thomas Friedrich

We classify Freund-Rubin backgrounds of eleven-dimensional supergravity of the form AdS_4 x X^7 which are at least half BPS; equivalently, smooth quotients of the round 7-sphere by finite subgroups of SO(8) which admit an (N>3)-dimensional…

High Energy Physics - Theory · Physics 2009-11-13 Paul de Medeiros , José Figueroa-O'Farrill , Sunil Gadhia , Elena Méndez-Escobar
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