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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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12 papers · 2 filters
Black holes in an expanding universe from fake supergravity
Samuele Chimento, Dietmar Klemm
In arXiv:0902.4814, a general recipe to construct fake supersymmetric solutions to fake N=2, d=4 gauged supergravity coupled to abelian vector multiplets was presented. We use thes…
Nonextremal black holes in gauged supergravity and the real formulation of special geometry II
Dietmar Klemm, Owen Vaughan
In arXiv:1207.2679 a new prescription for finding nonextremal black hole solutions to N=2, D=4 Fayet-Iliopoulos gauged supergravity was presented, and explicit solutions of various…
Nonextremal black holes in gauged supergravity and the real formulation of special geometry
Dietmar Klemm, Owen Vaughan
We give a rather general recipe for constructing nonextremal black hole solutions to N=2, D=4 gauged supergravity coupled to abelian vector multiplets. This problem simplifies cons…
One Loop Amplitudes In ABJM
Marco S. Bianchi, Matias Leoni, Andrea Mauri +2
For three dimensional N=6 superconformal field theories we compute one-loop scattering amplitudes for any number of external particles. We focus on a particular subsector of N=2 in…
Characterising Vainshtein Solutions in Massive Gravity
Fulvio Sbisà, Gustavo Niz, Kazuya Koyama +1
We study static, spherically symmetric solutions in a recently proposed ghost-free model of non-linear massive gravity. We focus on a branch of solutions where the helicity-0 mode…
Nut-charged black holes in matter-coupled N=2, D=4 gauged supergravity
Marta Colleoni, Dietmar Klemm
Using the results of arXiv:0804.0009, where all timelike supersymmetric backgrounds of N=2, D=4 matter-coupled supergravity with Fayet-Iliopoulos gauging were classified, we constr…
The Background Field Method as a Canonical Transformation
Daniele Binosi, Andrea Quadri
We construct explicitly the canonical transformation that controls the full dependence (local and non-local) of the vertex functional of a Yang-Mills theory on a background field.…
Adams-Iwasawa N=8 Black Holes
Sergio Luigi Cacciatori, Bianca Letizia Cerchiai, Alessio Marrani
We study some of the properties of the geometry of the exceptional Lie group E7(7), which describes the U-duality of the N=8, d=4 supergravity. In particular, based on a symplectic…
On the Scalar Manifold of Exceptional Supergravity
Sergio L. Cacciatori, Bianca L. Cerchiai, Alessio Marrani
We construct two parametrizations of the non compact exceptional Lie group G=E7(-25), based on a fibration which has the maximal compact subgroup K=(E6 x U(1))/Z_3 as a fiber. It i…
The E^3/Z3 orbifold, mirror symmetry, and Hodge structures of Calabi-Yau type
Sergio Luigi Cacciatori, Sara Angela Filippini
Starting from the Kähler moduli space of the rigid orbifold Z=E^3/\mathbb{Z}_3 one would expect for the cohomology of the generalized mirror to be a Hodge structure of Calabi-Yau t…
Canonical Transformations and Renormalization Group Invariance in the presence of Non-trivial Backgrounds
D. Binosi, A. Quadri
We show that for a SU(N) Yang-Mills theory the classical background-quantum splitting is non-trivially deformed at the quantum level by a canonical transformation with respect to t…
Magic Coset Decompositions
Sergio L. Cacciatori, Bianca Letizia Cerchiai, Alessio Marrani
By exploiting a "mixed" non-symmetric Freudenthal-Rozenfeld-Tits magic square, two types of coset decompositions are analyzed for the non-compact special Kähler symmetric rank-3 co…