Theory of Superdualities and the Orthosymplectic Supergroup (2009)
Fré, Pietro, Grassi, Pietro Antonio, Sommovigo, Luca, Trigiante, Mario
We study the dualities for sigma models with fermions and bosons. We found that the generalization of the SO(m,m) duality for D=2 sigma models and the Sp(2n) duality for D=4 sigma models is the...
Electric/magnetic duality for chiral gauge theories with anomaly cancellation (2008)
De Rydt, Jan, Schmidt, Torsten T, Trigiante, Mario, Van Proeyen, Antoine, Zagermann, Marco
We show that 4D gauge theories with Green-Schwarz anomaly cancellation and possible generalized Chern-Simons terms admit a formulation that is manifestly covariant with respect to electric/magnetic...
Electric/magnetic duality for chiral gauge theories with anomaly cancellation (2008)
De Rydt, Jan, Schmidt, Torsten T., Trigiante, Mario, Van Proeyen, Antoine, Zagermann, Marco
We show that 4D gauge theories with Green-Schwarz anomaly cancellation and possible generalized Chern-Simons terms admit a formulation that is manifestly covariant with respect to electric/magnetic...
Superstrings on AdS_4 x CP^3 from Supergravity (2008)
D'Auria, Riccardo, Fre', Pietro, Grassi, Pietro Antonio, Trigiante, Mario
We derive from a general formulation of pure spinor string theory on type IIA backgrounds the specific form of the action for the AdS_4 x P^3 background. We provide a complete geometrical...
Gauged Supergravities from Twisted Doubled Tori and Non-Geometric String Backgrounds (2008)
Dall'Agata, Gianguido, Prezas, Nikolaos, Samtleben, Henning, Trigiante, Mario
We propose a universal geometric formulation of gauged supergravity in terms of a twisted doubled torus. We focus on string theory/M-theory reductions with generalized Scherk--Schwarz twists residing...
Gauged Supergravities from Twisted Doubled Tori and Non-Geometric String Backgrounds (2008)
Dall'Agata, Gianguido, Prezas, Nikolaos, Samtleben, Henning, Trigiante, Mario
We propose a universal geometric formulation of gauged supergravity in terms of a twisted doubled torus. We focus on string theory/M-theory reductions with generalized Scherk--Schwarz twists residing...
Electric/magnetic duality for chiral gauge theories with anomaly cancellation (2008)
Rydt, Jan De, Schmidt, Torsten T., Trigiante, Mario, Proeyen, Antoine Van, Zagermann, Marco
We show that 4D gauge theories with Green-Schwarz anomaly cancellation and possible generalized Chern-Simons terms admit a formulation that is manifestly covariant with respect to electric/magnetic...
Gauged Supergravities from Twisted Doubled Tori and Non-Geometric String Backgrounds (2007)
Dall'Agata, Gianguido, Prezas, Nikolaos, Samtleben, Henning, Trigiante, Mario
We propose a universal geometric formulation of gauged supergravity in terms of a twisted doubled torus. We focus on string theory/M-theory reductions with generalized Scherk-Schwarz twists residing...
Gauged Supergravities from Twisted Doubled Tori and Non-Geometric String Backgrounds (2007)
Dall'Agata, Gianguido, Prezas, Nikolaos, Samtleben, Henning, Trigiante, Mario
We propose a universal geometric formulation of gauged supergravity in terms of a twisted doubled torus. We focus on string theory (M-theory) reductions with generalized Scherk-Schwarz twists...
First Order Description of Black Holes in Moduli Space (2007)
Andrianopoli, Laura, D'Auria, Riccardo, Orazi, Emanuele, Trigiante, Mario
We show that the second order field equations characterizing extremal solutions for spherically symmetric, stationary black holes are in fact implied by a system of first order equations given in...
The maximal D=4 supergravities (2007)
De Wit, Bernard, Samtleben, Henning, Trigiante, Mario
All maximal supergravities in four space-time dimensions are presented. The ungauged Lagrangians can be encoded in an E_7(7)\Sp(56,R)/GL(28) matrix associated with the freedom of performing...
Black-Hole Attractors in N=1 Supergravity (2007)
Andrianopoli, Laura, D'Auria, Riccardo, Ferrara, Sergio, Trigiante, Mario
We study the attractor mechanism for N=1 supergravity coupled to vector and chiral multiplets and compute the attractor equations of these theories. These equations may have solutions depending on...
Dual Gauged Supergravities (2007)
We shall review a novel formulation of four dimensional gauged supergravity which is manifestly covariant with respect to the non-perturbative electric-magnetic duality symmetry transformations of...
Tits-Satake projections of homogeneous special geometries (2007)
Gargiulo, Floriana, Rulik, Ksenya, Trigiante, Mario
We organize the homogeneous special geometries, describing as well the couplings of D = 6, 5, 4 and 3 supergravities with eight supercharges, in a small number of universality classes. This relates...
The maximal D=4 supergravities (2007)
De Wit, Bernard, Samtleben, Henning, Trigiante, Mario
All maximal supergravities in four space-time dimensions are presented. The ungauged Lagrangians can be encoded in an E_7(7)\Sp(56,R)/GL(28) matrix associated with the freedom of performing...
The maximal D=4 supergravities (2007)
De Wit, Bernard, Samtleben, Henning, Trigiante, Mario
All maximal supergravities in four space-time dimensions are presented. The ungauged Lagrangians can be encoded in an E_7(7)\Sp(56,R)/GL(28) matrix associated with the freedom of performing...
Extremal Black Holes in Supergravity (2006)
Andrianopoli, Laura, D'Auria, Riccardo, Ferrara, Sergio, Trigiante, Mario
We present the main features of the physics of extremal black holes embedded in supersymmetric theories of gravitation, with a detailed analysis of the attractor mechanism for BPS and non-BPS...
Tits-Satake projections of homogeneous special geometries (2006)
Fre', Pietro, Gargiulo, Floriana, Rosseel, Jan, Rulik, Ksenya, Trigiante, Mario, Van Proeyen, Antoine
We organize the homogeneous special geometries, describing as well the couplings of D=6, 5, 4 and 3 supergravities with 8 supercharges, in a small number of universality classes. This relates...
Supersymmetric completion of M-theory 4D-gauge algebra from twisted tori and fluxes (2005)
D'Auria, Riccardo, Ferrara, Sergio, Trigiante, Mario
We present the supersymmetric completion of the M-theory free differential algebra resulting from a compactification to four dimensions on a twisted seven-torus with 4-form and 7-form fluxes turned...
Magnetic charges in local field theory (2005)
De Wit, Bernard, Samtleben, Henning, Trigiante, Mario
Novel Lagrangians are discussed in which (non-abelian) electric and magnetic gauge fields appear on a par. To ensure that these Lagrangians describe the correct number of degrees of freedom, tensor...
The general pattern of Kac Moody extensions in supergravity and the issue of cosmic billiards (2005)
Fre', Pietro, Gargiulo, Floriana, Rulik, Ksenya, Trigiante, Mario
In this paper we study the systematics of the affine extension of supergravity duality algebras when we step down from D=4 to D=2. For all D=4 supergravities (with N >= 3) there is a universal field...
Counterterms in type I Supergravities (2005)
Dunbar, David C., Julia, Bernard, Seminara, Domenico, Trigiante, Mario
We compute the one-loop divergences of D=10, N=1 supergravity and of its reduction to D=8. We study the tensor structure of the counterterms appearing in D=8 and D=10 and compare these to expressions...
The maximal D=5 supergravities (2004)
De Wit, Bernard, Samtleben, Henning, Trigiante, Mario
The general Lagrangian for maximal supergravity in five spacetime dimensions is presented with vector potentials in the \bar{27} and tensor fields in the 27 representation of E_6. This novel...
D'Auria, Riccardo, Ferrara, Sergio, Trigiante, Mario, Vaula, Silvia
We study some issues related to the effective theory of Calabi-Yau compactifications with fluxes in Type II theories. At first the scalar potential for a generic electric abelian gauging of the...
No-scale supergravity from higher dimensions (2004)
D'Auria, Riccardo, Ferrara, Sergio, Trigiante, Mario
We discuss recent results on the interpretation of flux compactifications on certain Type IIB orientifolds in terms of gauged N-extended supergravities of no--scale type.
Homogeneous Special Manifolds, Orientifolds and Solvable Coordinates (2004)
D'Auria, Riccardo, Ferrara, Sergio, Trigiante, Mario
We discuss some geometrical properties of the underlying N=2 geometry which encompasses some low--energy aspects of N=1 orientifolds as well as four dimensional N=2 Lagrangians including bulk and...
Maximal Supergravity from IIB Flux Compactifications (2003)
De Wit, Bernard, Samtleben, Henning, Trigiante, Mario
Using a recently proposed group-theoretical approach, we explore novel gaugings of maximal supergravity in four dimensions with gauge group embeddings that can be generated by fluxes of IIB string...
Gauging Maximal Supergravities (2003)
De Wit, Bernard, Samtleben, Henning, Trigiante, Mario
We review recent progress in gauging maximal supergravity theories
Fluxes, supersymmetry breaking and gauged supergravity (2003)
Andrianopoli, Laura, Ferrara, Sergio, Trigiante, Mario
We report on the gauged supergravity interpretation of certain compactifications of superstring theories with p-form fluxes turned on. We discuss in particular the interplay of duality symmetries in...
D'Auria, Riccardo, Ferrara, Sergio, Gargiulo, Floriana, Trigiante, Mario, Vaula, Silvia
We derive the Lagrangian and the transformation laws of N=4 gauged supergravity coupled to matter multiplets whose sigma-model of the scalars is SU(1,1)/U(1)x SO(6,6+n)/SO(6)xSO(6+n) and which...
N=2 supergravity models with stable de Sitter vacua (2003)
Fre', Pietro, Trigiante, Mario, Van Proeyen, Antoine
In the present talk I shall review the construction of N=2 supergravity models exhibiting stable de Sitter vacua. These solutions represent the first instance of stable backgrounds with positive...
Potential and mass-matrix in gauged N = 4 supergravity (2003)
Trigiante, Mario, Panda, Sudhakar, Westra, Dennis B., Roo, Mess De
We discuss the potential and mass-matrix of gauged N = 4 matter coupled supergravity for the case of six matter multiplets, extending previous work by considering the dependence on all scalars. We...
On Lagrangians and Gaugings of Maximal Supergravities (2002)
De Wit, Bernard, Samtleben, Henning, Trigiante, Mario
A consistent gauging of maximal supergravity requires that the T-tensor transforms according to a specific representation of the duality group. The analysis of viable gaugings is thus amenable to...
Stable de Sitter Vacua from N=2 Supergravity (2002)
Fre, Pietro, Trigiante, Mario, Van Proeyen, Antoine
We find extrema of the potential of matter couplings to N=2 supergravity that define de Sitter vacua and no tachyonic modes. There are three essential ingredients in our construction: namely...
Walls from fluxes: An analytic RG-flow (2001)
Morales, Jose F., Trigiante, Mario
We construct supergravity solutions describing the near horizon limit of D1D5 systems with non-trivial boundary conditions. Upon reduction to five dimensions they define Melvin universes with...
Counterterms in type I Supergravities (1999)
Dunbar, David C., Julia, Bernard, Seminara, Domenico, Trigiante, Mario
We compute the one-loop divergences of D=10, N=1 supergravity and of its reduction to D=8. We study the tensor structure of the counterterms appearing in D=8 and D=10 and compare these to expressions...
Counterterms in type I Supergravities (1999)
Dunbar, David C., Julia, Bernard, Seminara, Domenico, Trigiante, Mario
We compute the one-loop divergences of D=10, N=1 supergravity and of its reduction to D=8. We study the tensor structure of the counterterms appearing in D=8 and D=10 and compare these to expressions...
Counterterms in type I Supergravities (1999)
Dunbar, David C., Julia, Bernard, Seminara, Domenico, Trigiante, Mario
We compute the one-loop divergences of D=10, N=1 supergravity and of its reduction to D=8. We study the tensor structure of the counterterms appearing in D=8 and D=10 and compare these to expressions...
N=8 BPS black holes preserving 1/8 supersymmetry (1999)
Bertolini, Matteo, Fre', Pietro, Trigiante, Mario
n the context of N=8 supergravity we consider BPS black-holes that preserve 1/8 supersymmetry. It was shown in a previous paper that, modulo U-duality transformations of E_{7(7)} the most general...
The Osp(8|4) singleton action from the supermembrane (1998)
Dall'Agata, Gianguido, Fabbri, Davide, Fraser, Christophe, Fre', Pietro, Termonia, Piet, Trigiante, Mario
Our goal is to study the supermembrane on an $AdS_4 \times \cal M_7$ background, where $\cal M_7$ is a 7--dimensional Einstein manifold with $N$ Killing spinors. This is a direct way to derive the...