Results 61 to 70 of about 20,674,433 (271)
Theoretical and experimental motivations behind supergravity grand unified models are described. The basic ideas of supergravity, and the origin of the soft breaking terms are reviewed. Effects of GUT thresholds and predictions arising from models possessing proton decay are discussed.
Arnowitt, R., Nath, Pran
openaire +2 more sources
Consistent -models in supergravity [PDF]
A consistent N=1 supersymmetric $ $-model can be constructed, given a K hler manifold by adding chiral matter multiplets. Their scalar components are covariant tensors on the underlying K hler manifold. The K hler U(1)-charges can be adjusted such that the anomalies cancel, using the holomorphic functions in which the K hler potential transforms ...
J.W. van Holten, S. Groot Nibbelink
openaire +3 more sources
Supersymmetric action for 6D (4, 0) supergravity
We give a linearized but otherwise complete supersymmetric action for N $$ \mathcal{N} $$ = (4, 0) supergravity in six dimensions, using a Kaluza-Klein-type 5 + 1 split of coordinates and fields.
Yannick Bertrand+3 more
doaj +1 more source
Supersymmetric dS4 solutions in D = 11 supergravity
The necessary and sufficient conditions for warped product dS4 solutions in D = 11 supergravity to be supersymmetric are determined. The Killing spinor is associated with two possible stabilizer groups, SU(3) and G2.
M. Di Gioia, J. Gutowski
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
Five-dimensional Superfield Supergravity [PDF]
We present a projective superspace formulation for matter-coupled simple supergravity in five dimensions. Our starting point is the superspace realization for the minimal supergravity multiplet proposed by Howe in 1981.
Chate, H.+3 more
core +7 more sources
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
Non-Lorentzian IIB supergravity from a polynomial realization of SL(2, ℝ)
We derive the action and symmetries of the bosonic sector of non-Lorentzian IIB supergravity by taking the non-relativistic string limit. We find that the bosonic field content is extended by a Lagrange multiplier that implements a restriction on the ...
Eric A. Bergshoeff+4 more
doaj +1 more source
Mapping 6D N = 1 supergravities to F-theory [PDF]
We develop a systematic framework for realizing general anomaly-free chiral 6D supergravity theories in F-theory. We focus on 6D (1, 0) models with one tensor multiplet whose gauge group is a product of simple factors (modulo a finite abelian group) with
A Sagnotti+22 more
core +3 more sources
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