Mostrando 241 - 260 Resultados de 7,249 Para Buscar '"inflation"', tiempo de consulta: 0.10s Limitar resultados
  1. 241
    por Maroto, Antonio L., Mazumdar, Anupam
    Publicado 2000
    “…We show that the non-perturbative decay of the inflaton field enhances the production of gravitinos during the preheating stage after inflation. This provides us with a powerful tool to constrain supergravity motivated inflationary models.…”
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    Enlace del recurso
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    “…Chromo-natural inflation provides an example of a UV theory that can generate the multi-field single-derivative terms we consider, and we argue that the EFT we find indeed captures the slow-roll conditions for the background evolution for Chromo-natural inflation. …”
    Enlace del recurso
    Enlace del recurso
  7. 247
  8. 248
    “…We find that the low-energy graviton spectrum is enhanced if compared with spontaneous creation from the vacuum; as a consequence, the scale of inflation must be lowered, in order not to exceed the observed CMB quadrupole anisotropy. …”
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    Enlace del recurso
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  12. 252
    por Rosati, Robert
    Publicado 2019
    “…One family is a helix-type potential that satisfies the conjectures only locally. This family inflates with ϵV≫ϵH and produces Planck-compatible scalar perturbations, but a too-high tensor power. …”
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    “…We have recently proposed attractor models for modulus fixing, inflation, supersymmetry breaking and dark energy based on no-scale supergravity. …”
    Enlace del recurso
    Enlace del recurso
  17. 257
  18. 258
    “…We forecast the constraints on single-field inflation from the bispectrum of future high-redshift surveys such as MegaMapper. …”
    Enlace del recurso
    Enlace del recurso
  19. 259
    por Tetradis, N.
    Publicado 1997
    “…We study the evolution of regions of space with various initial field values for a simple theory that can support hybrid inflation. Only very narrow domains within the range of initial field values below the Planck scale lead to the onset of inflation. …”
    Enlace del recurso
    Enlace del recurso
  20. 260
    por García-Bellido, J
    Publicado 1998
    “…In a recent paper we proposed a new model of inflation based on the soft-breaking of N=2 supersymmetric SU(2) Yang-Mills theory. …”
    Enlace del recurso
    Enlace del recurso
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