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Publikováno v:
Nuclear Physics B, Vol 898, Iss C, Pp 173-196 (2015)
Nuclear Physics B
Nuclear Physics B
Motivated by recent cosmological observations of a possibly unsuppressed primordial tensor component $r$ of inflationary perturbations, we reanalyse in detail the 5D conformal SUGRA originated natural inflation model of Ref. [1]. The model is a super
Autor:
Igor A. Bandos
Publikováno v:
Nuclear Physics B
Nuclear Physics B, Vol 925, Iss, Pp 28-62 (2017)
Nuclear Physics B, Vol 925, Iss, Pp 28-62 (2017)
Recently proposed exceptional field theories (EFTs) making manifest the duality $E_{n(n)}$ symmetry, first observed as nonlinearly realized symmetries of the maximal $d=3,4,...,9$ supergravity ($n=11-d$) and containing 11D and type IIB supergravity a
Publikováno v:
Nuclear Physics B, Vol 894, Iss C, Pp 569-584 (2015)
Nuclear Physics B
Nuclear Physics. B, Vol. 894 (2015) pp. 569-584
Nuclear Physics B
Nuclear Physics. B, Vol. 894 (2015) pp. 569-584
In the framework of linearized non-minimal supergravity (20/20), we present the embedding of the R+R2 model and we analyze its field spectrum. As usual, the auxiliary fields of the Einstein theory now become propagating, giving rise to additional deg
Autor:
Adolfo Guarino
Publikováno v:
Nuclear Physics B
Nuclear Physics B, Vol 900, Iss C, Pp 501-516 (2015)
Nuclear Physics B, Vol 900, Iss C, Pp 501-516 (2015)
Motivated by their application to holographic RG flows and hairy black holes in Einstein-scalar systems, we present a collection of superpotentials driving the dynamics of $\mathcal{N}=2$ and $\mathcal{N}=1$ four-dimensional supergravities. These the
Autor:
Sayantan Choudhury, Arnab Dasgupta
Publikováno v:
Nuclear Physics B
In this paper we introduce an idea of leptogenesis scenario in higher derivative gravity induced DBI Galileon framework {\it aka Galileogenesis} in presence of one-loop R-parity violating couplings in the background of a low energy effective supergra
Publikováno v:
Nuclear Physics B, 532. Elsevier
We construct part of the superspace vielbein and tensor gauge field in terms of the component fields of 11-dimensional on-shell supergravity. The result can be utilized to describe supermembranes and corresponding matrix models for Dirichlet particle
Publikováno v:
Nuclear Physics B, Vol 296, Iss 3, Pp 679-696 (1988)
We develop a procedure for constructing a possible harmonic superspace lagrangian for any d = 4 multicentre metric and show that the lagrangians leading to such metrics are characterized by the existence of a U(1) of Pauli-Gursey invariance. As an ap
Autor:
Nicholas P. Warner
Publikováno v:
Nuclear Physics B, Vol 231, Iss 2, Pp 250-268 (1984)
A new coordinate system is defined on the scalar manifold of N = 8 supergravity. This enables one to obtain the scalar potential, V, and the T-tensor in closed form in both N = 6 and N = 8 gauged supergravity. Using this formalism it is shown that V