Results 231 to 240 of about 20,702,128 (245)
Old-minimal supergravity models of inflation [PDF]
Journal of High Energy Physics, 2013 A bstractWe study three types of the old-minimal higher-derivative supergravity theories extending the f (R) gravity, towards their use for the inflationary model building in supergravity, by using both superfields and their field components.
S. Ketov, T. Terada
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Enriques and Octonionic Magic Supergravity Models [PDF]
Journal of High Energy Physics, 2007 We reconsider the Enriques Calabi Yau (FHSV) model and its string derivation and argue that the Octonionic magic supergravity theory admits a string interpretation closely related to the Enriques model.
M. Bianchi, S. Ferrara
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KK Compactification of Supergravity Models
Fundamental Theories of Physics, 2019 In this chapter, we will study the KK compactification of supergravity models in higher dimensions. Supergravity models in higher dimensions have: -a graviton, described by the metric \(g_{\mu \nu }\) (which can be written as \(e^a_\mu \eta _{ab}e^b_\nu \)), except for the coupling to fermions, which is written in terms of \(\omega _\mu ^{ab}(e ...
H. Nastase
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Superstring-inspired supergravity models [PDF]
Il Nuovo Cimento B Series 11, 1990 We find an explicit and general formula for the Kahler potential of a broad class ofN=1 supergravity models based on symmetric spaces which exhibit a no-scale structure. Both the main features and the low-energy physics emerging from these models are studied. Their relevance, in the context of superstring theories, is also discussed.
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Limits on photino and squark masses from proton lifetime in supergravity models.
Physical Review D, Particles and fields, 1988It is shown that the current experimental lower limit on the proton lifetime via p..-->..nu-barK/sup +/ puts severe constraints on the photino and squark masses in supersymmetric unification. For Higgs-triplet masses approx.
P. Nath, R. Arnowitt
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SUSY flavor structure of generic 5D supergravity models
, 2011We perform a comprehensive and systematic analysis of the SUSY flavor structure of generic 5D supergravity models on S1/Z2 with multiple Z2-odd vector multiplets that generate multiple moduli.
H. Abe +3 more
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One-loop corrections to the Higgs sector in minimal supergravity models.
Physical Review D, Particles and fields, 1992We study the Higgs spectrum of the minimal supersymmetric standard model in the context of supergravity models with radiative gauge-symmetry breaking, including the leading one-loop corrections.
Manuel Drees, M. Nojiri
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Vanishing squark and slepton masses in a class of supergravity models.
Physical Review D, Particles and fields, 1992We study a class of supergravity models where an observable sector is separated from a hidden sector in the superspace density which defines the supergravity Lagrangian.
K. Inoue +3 more
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Geometry of the scalar couplings in N=2 supergravity models
, 1992The author describes the quaternionic geometry of various sigma -model target spaces for the hypermultiplet couplings in four-dimensional N=2 conformal and Poincare supergravity models.
K. Galicki
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CONSTRAINTS ON NO-SCALE SUPERGRAVITY MODELS
Modern Physics Letters A, 1995We revisit the no-scale mechanism in the context of the simplest no-scale supergravity extension of the standard model. This model has the usual four-dimensional parameter space plus an additional parameter ξ3/2≡m3/2/m1/2. We show how predictions of the model may be extracted over the whole parameter space.
S. Kelley +6 more
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