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Admissible curved space backgrounds for four-dimensional supersymmetric field theories are determined by solving Killing spinor equations of four-dimensional off-shell supergravities. These can be obtained by combining ten-dimensional type…

High Energy Physics - Theory · Physics 2018-10-17 Ruben Minasian , Daniël Prins

BGG-equations are geometric overdetermined systems of PDEs on parabolic geometries. Normal solutions of BGG-equations are particularly interesting and we give a simple formula for the necessary and sufficient additional integrability…

Differential Geometry · Mathematics 2010-09-09 Matthias Hammerl

We prove an analog of the Tian-Todorov theorem for twisted generalized Calabi-Yau manifolds; namely, we show that the moduli space of generalized complex structures on a compact twisted generalized Calabi-Yau manifold is unobstructed and…

High Energy Physics - Theory · Physics 2007-05-23 Yi Li

Guided by a spinning particle model with U(N)-extended supergravity on the worldline we derive higher spin equations on complex manifolds. Their minimal formulation is in term of gauge fields which satisfy suitable constraints. The latter…

High Energy Physics - Theory · Physics 2009-04-02 Fiorenzo Bastianelli , Roberto Bonezzi

We consider N=(2,0) backgrounds of IIB supergravity on eight-manifolds M_8 with strict SU(4) structure. We give the explicit solution to the Killing spinor equations as a set of algebraic relations between irreducible su(4) modules of the…

High Energy Physics - Theory · Physics 2013-09-27 Daniël Prins , Dimitrios Tsimpis

We present a new method for constructing conformal Yano-Killing tensors in five-di\-men\-sio\-nal Anti-de Sitter space-time. The found tensors are represented in two different coordinate systems. We also discuss, in terms of CYK tensors,…

General Relativity and Quantum Cosmology · Physics 2018-10-29 Paweł Czajka , Jacek Jezierski

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

When spacetime torsion is present, geodesics and autoparallels generically do not coincide. In this work, the well-known method that uses Killing vectors to solve the geodesic equations is generalized for autoparallels. The main definition…

General Relativity and Quantum Cosmology · Physics 2019-12-02 Christian Peterson , Yuri Bonder

In spacetimes admitting Yano tensors the classical theory of the spinning particle possesses enhanced worldline supersymmetry. Quantum mechanically generators of extra supersymmetries correspond to operators that in the classical limit…

High Energy Physics - Theory · Physics 2014-11-18 Marco Cariglia

Killing-Yano one forms (duals of Killing vector fields) of a class of spherically symmetric space-times characterized by four functions are derived in a unified and exhaustive way. For well-known space-times such as those of Minkowski,…

General Relativity and Quantum Cosmology · Physics 2008-03-27 O. Acik , U. Ertem , M. Onder , A. Vercin

We present the conditions when a Killing-Yano tensor becomes a Nambu tensor. We have shown that in the flat space case all Killing-Yano tensors are Nambu tensors. In the case of Taub-NUT metric and Kerr-Newmann metric we found that a…

General Relativity and Quantum Cosmology · Physics 2016-08-31 Dumitru Baleanu

We give an overview of the first integrals of motion of particles in the presence of external gauge fields in a covariant Hamiltonian approach. The special role of St\"ackel-Killing and Killing-Yano tensors is pointed out. Some nontrivial…

High Energy Physics - Theory · Physics 2011-04-07 Mihai Visinescu

The role of Killing and Killing-Yano tensors for studying the geodesic motion of the particle and the superparticle in a curved background is reviewed. Additionally the Papadopoulos list [74] for Killing-Yano tensors in G structures is…

High Energy Physics - Theory · Physics 2015-05-30 O. P. Santillan

We extend the link between Einstein Sasakian manifolds and Killing spinors to a class of $\eta$-Einstein Sasakian manifolds, both in Riemannian and Lorentzian settings, characterising them in terms of generalised Killing spinors. We propose…

Differential Geometry · Mathematics 2016-04-27 José Figueroa-O'Farrill , Andrea Santi

Valence two Killing tensors in the Euclidean and Minkowski planes are classified under the action of the group which preserves the type of the corresponding Killing web. The classification is based on an analysis of the system of…

Differential Geometry · Mathematics 2009-09-29 C. Chanu , L. Degiovanni , R. G. McLenaghan

We study fixed points of isometries of the higher-dimensional Kerr-NUT-(A)dS spacetimes that form generalizations of symmetry axes. It turns out that, in the presence of nonzero NUT charges, some parts of the symmetry axes are necessarily…

General Relativity and Quantum Cosmology · Physics 2019-09-18 Ivan Kolar , Pavel Krtous

We study N=2 superconformal theories on Euclidean and Lorentzian four-manifolds with a view toward applications to holography and localization. The conditions for supersymmetry are equivalent to a set of differential constraints including a…

High Energy Physics - Theory · Physics 2015-06-16 Claudius Klare , Alberto Zaffaroni

In this paper, we discuss hidden symmetries in rotating black hole spacetimes. We start with an extended introduction which mainly summarizes results on hidden symmetries in four dimensions and introduces Killing and Killing-Yano tensors,…

High Energy Physics - Theory · Physics 2008-11-26 Valeri P. Frolov , David Kubiznak

We introduce in this paper normal twistor equations for differential forms and study their solutions, the so-called normal conformal Killing forms. The twistor equations arise naturally from the canonical normal Cartan connection of…

Differential Geometry · Mathematics 2007-05-23 Felipe Leitner

In a previous article it was proved that the extensions of the Taub-NUT geometry do not admit Killing-Yano tensors, even if they possess St\" {a}ckel-Killing tensors. Here the analysis is taken further, and it is shown that, in general,…

High Energy Physics - Theory · Physics 2008-11-26 Ion I. Cotăescu , Mihai Visinescu
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