Mostrando 1,201 - 1,220 Resultados de 8,169 Para Buscar '"gravity"', tiempo de consulta: 0.15s Limitar resultados
  1. 1201
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    “…In particular, the maximum possible order of magnitude of the space-time foam effects would give rise to an error in the measurement of distance comparable to that independently obtained in some recent heuristic quantum-gravity analyses. We also briefly compare these error estimates with the precision of astrophysical measurements.…”
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    Enlace del recurso
  5. 1205
  6. 1206
    por Batakis, Nikolaos A.
    Publicado 1997
    “…The theory of general relativity is reformed to a genuine Yang-Mills gauge theory of the Poincaré group for gravity. Several pathologies of the conventional theory are thus removed, but not every GR vacuum satisfies the Y-M equations. …”
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  10. 1210
    “…It has recently been proposed that gravity-localized compactifications can generate the required gauge hierarchy without the need for hierarchically large extra spacetime dimensions. …”
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  11. 1211
    por Youm, Donam
    Publicado 1999
    “…We study the relation between the (generalized) conformal quantum mechanics of 0-branes and the two-dimensional dilaton gravity. The two-dimensional actions obtained from the supergravity effective actions for the (dilatonic) 0-branes through the compactification on a sphere are related to known two-dimensional dilaton gravity models. …”
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    Enlace del recurso
  12. 1212
  13. 1213
    “…\times 10^{-12}$ GeV$^{-1}$) in theories with 2 extra dimensions and a fundamental quantum-gravity scale $M_{\rm F}$ of order 100 TeV, and up to $3.…”
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    Enlace del recurso
  14. 1214
  15. 1215
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  18. 1218
    por Smith, F D T
    Publicado 2004
    “…WMAP results indicate that our universe is now made up of 73% dark energy (DE), 23% dark matter (DM), and 4% ordinary matter (OM), the DE possibly being in the form of a cosmological constant (itself a misnomer, as a "cosmological constant" can be variable). A model of gravity based on the conformal group Spin(2,4) = SU(2,2), motivated by work of I. …”
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  19. 1219
    por Antoniadis, Ignatios
    Publicado 2003
    “…I also discuss its main properties and implications for observations at both future particle colliders, and in nonaccelerator gravity experiments. Such effects are for instance the production of Kaluza-Klein resonances, graviton emission in the bulk of extra dimensions, and a radical change of gravitational forces in the submillimeter range. (23 refs).…”
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  20. 1220
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