Results 71 to 80 of about 21,105,413 (272)
Supergravity backgrounds of the η-deformed AdS2 × S2 × T6 and AdS5 × S5 superstrings
We construct supergravity backgrounds for the integrable η-deformations of the AdS2 × S2 × T6 and AdS5 × S5 superstring sigma models. The η-deformation is governed by an R-matrix that solves the non-split modified classical Yang-Baxter equation on the ...
Ben Hoare, Fiona K. Seibold
doaj +1 more source
Consistent truncations from the geometry of sphere bundles
In this paper, we present a unified perspective on sphere consistent truncations based on the classical geometric properties of sphere bundles. The backbone of our approach is the global angular form for the sphere.
Federico Bonetti +3 more
doaj +1 more source
Large (g-2) micro in SU(5) x U(1) supergravity models. [PDF]
We compute the supersymmetric contribution to the anomalous magnetic moment of the muon within the context of $SU(5)\times U(1)$ supergravity models. The largest possible contributions to $a^{susy}_\mu$ occur for the largest allowed values of $\tan\beta$
J. L. Lopez, D. Nanopoulos, Xu Wang
semanticscholar +1 more source
Warped compactification to de Sitter space [PDF]
We explore in detail the prospects of obtaining a four-dimensional de Sitter universe in classical supergravity models with warped and time-independent extra dimensions, presenting explicit cosmological solutions of the $(4+n)$-dimensional Einstein ...
Binetruy +39 more
core +1 more source
Horndeski model in nonlinearly realized supergravity [PDF]
Abstract We construct the Horndeski Lagrangian within non-linearly realized super- gravity. We will show that the bosonic part of the Horndeski Lagrangian can be realized. Gravitino naturally couples to Horndeski sector in a super-covariant way. Such gravitino couplings are also free from ghosts.
Jun'ichi Yokoyama +2 more
openaire +4 more sources
General F-theory models with tuned (SU(3) × SU(2) × U(1))/ℤ6 symmetry
We construct a general form for an F-theory Weierstrass model over a general base giving a 6D or 4D supergravity theory with gauge group (SU(3) × SU(2) × U(1))/ℤ6 and generic associated matter, which includes the matter content of the standard model. The
Nikhil Raghuram +2 more
doaj +1 more source
A plethora of Type IIA embeddings for d = 5 minimal supergravity
We construct multiple embeddings of all solutions of d = 5 minimal (un)gauged supergravity into massive Type IIA supergravity. The internal spaces and warpings of such embeddings are the same as those of the N $$ \mathcal{N} $$ = 1 supersymmetric (Mink5)
Christopher Couzens +2 more
doaj +1 more source
Constraints on supergravity chaotic inflationary models [PDF]
Latex file, 10 pages; important changes and references ...
Orfeu Bertolami, M. C. Bento
openaire +3 more sources
Superconformal vector multiplet self-couplings and generalised Fayet-Iliopoulos terms
As an extension of the recent construction of generalised Fayet-Iliopoulos terms in N=1 supergravity given in [1], we present self-interactions for a vector multiplet coupled to conformal supergravity.
Sergei M. Kuzenko
doaj +1 more source
The Decay of the Inflaton in No-scale Supergravity [PDF]
We study the decay of the inflaton in no-scale supergravity and show that decay due to the gravitational interactions through supergravity effects is highly suppressed relative to the case in minimal supergravity or models with a generic Kahler potential.
Bagger J A +12 more
core +3 more sources

