Mostrando 661 - 680 Resultados de 8,169 Para Buscar '"gravity"', tiempo de consulta: 0.16s Limitar resultados
  1. 661
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  4. 664
    “…As an example of the effects of the modification of gravity on the production of PBHs, we investigate the effects on the spectrum of R produced by the modification of gravity in the case of G-inflation, deriving the relation between the unitary gauge curvature perturbation ζ and the comoving curvature perturbation R , and identifying a background dependent enhancement function E which can induce large differences between the two gauge invariant variables. …”
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  7. 667
    por Krasnov, Kirill
    Publicado 2020
    “…The book also presents in detail the twistor description of gravity, as well as its generalisation based on geometry of 3-forms in seven dimensions. …”
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  8. 668
  9. 669
    “…Specifically, inspired by the gauge-theoretic approach of (ordinary) gravity, we make use of the suggested methodology, modified appropriately for the noncommutative framework, of the well-established formulation of gauge theories on them. …”
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  13. 673
    por Alves, M
    Publicado 1995
    “…We see also that these solutions are similar to that obtained from the dilaton gravity,…”
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  14. 674
    “…We construct a non-perturbative, single-valued solution for the metric and the motion of two interacting particles in (2+1)-Gravity, by using a Coulomb gauge of conformal type. …”
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  15. 675
    “…By defining a regular gauge which is conformal-like and provides instantaneous field propagation, we investigate classical solutions of (2+1)-Gravity coupled to arbitrarily moving point-like particles. …”
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  16. 676
    “…The Weak Gravity Conjecture predicts that in quantum gravity there should exist overcharged states, that is states with charge larger than their mass. …”
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