Mostrando 1,781 - 1,800 Resultados de 5,650 Para Buscar '"cosmology"', tiempo de consulta: 0.10s Limitar resultados
  1. 1781
    “…Residual late-time dark matter particle annihilations during and after Big Bang Nucleosynthesis (BBN) may alter the predicted cosmological abundances of the light elements. Within the constrained minimal supersymmetric extension of the Standard Model (the CMSSM) with a neutralino LSP, we find negligible effects on the abundances of Deuterium, He3, He4 and Li7 predicted by homogeneous BBN, but potentially a large enhancement in the predicted abundance of Li6. …”
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    Enlace del recurso
  2. 1782
  3. 1783
    por Mavromatos, Nick E.
    Publicado 2015
    “…As I will argue, there is a Starobinsky-type inflationary era characterising the broken supersymmetry phase in this model, which is compatible with the current cosmological data, provided a given constraint is satisfied among some tree-level parameters of the model and the renormalised cosmological constant of the de Sitter background used in the analysis. …”
    Enlace del recurso
    Enlace del recurso
  4. 1784
    por Martins, C J A P
    Publicado 2016
    “…Topological defects – cosmic strings, monopoles, domain walls or others - necessarily form at cosmological (and condensed matter) phase transitions. …”
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    Enlace del recurso
  5. 1785
  6. 1786
  7. 1787
  8. 1788
  9. 1789
    “…We develop a string-inspired model for particle cosmology, based on a flipped SU(5)×U(1) gauge group formulated in a no-scale supergravity framework. …”
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    Enlace del recurso
  10. 1790
  11. 1791
    “…We argue that in models without a zero-temperature barrier and in scale-invariant models the period during which sound waves generate gravitational waves lasts only for a fraction of a Hubble time after a generic first-order cosmological phase transition, whereas it may last longer in some models with a zero-temperature barrier that feature severe supercooling. …”
    Enlace del recurso
    Enlace del recurso
  12. 1792
  13. 1793
  14. 1794
  15. 1795
  16. 1796
  17. 1797
    por Finelli, F, Brandenberger, R H
    Publicado 2001
    “…In Pre-Big-Bang and in Ekpyrotic Cosmology, perturbations on cosmological scales today are generated from quantum vacuum fluctuations during a phase when the Universe is contracting (viewed in the Einstein frame). …”
    Enlace del recurso
    Enlace del recurso
  18. 1798
    por Dotsenko, V S
    Publicado 1992
    “…The operator algebra of the discrete state operators is calculated for the theory with non-vanishing cosmological constant.…”
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    Enlace del recurso
  19. 1799
  20. 1800
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