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33 papers · 1 filter
How to halve maximal supergravity
Giuseppe Dibitetto, Adolfo Guarino, Diederik Roest
We work out the truncation from maximal to half-maximal supergravity in four dimensions. In particular, we determine the explicit constraints on the embedding tensors of both theor…
Charting the landscape of N=4 flux compactifications
Giuseppe Dibitetto, Adolfo Guarino, Diederik Roest
We analyse the vacuum structure of isotropic Z_2 x Z_2 flux compactifications, allowing for a single set of sources. Combining algebraic geometry with supergravity techniques, we a…
Modes of Log Gravity
Eric A. Bergshoeff, Olaf Hohm, Jan Rosseel +1
The physical modes of a recently proposed D-dimensional "critical gravity", linearized about its anti-de Sitter vacuum, are investigated. All "log mode" solutions, which we categor…
String Solitons and T-duality
Eric A. Bergshoeff, Fabio Riccioni
We construct for arbitrary dimensions a universal T-duality covariant expression for the Wess-Zumino terms of supersymmetric String Solitons in toroidally compactified string theor…
Metastable supersymmetry breaking in extended supergravity
Andrea Borghese, Diederik Roest
We consider the stability of non-supersymmetric critical points of general N=4 supergravities. A powerful method to analyse this issue based on the sGoldstino direction has been de…
Newtonian Gravity and the Bargmann Algebra
Roel Andringa, Eric Bergshoeff, Sudhakar Panda +1
We show how the Newton-Cartan formulation of Newtonian gravity can be obtained from gauging the Bargmann algebra, i.e., the centrally extended Galilean algebra. In this gauging pro…