Mostrando 641 - 660 Resultados de 8,169 Para Buscar '"gravity"', tiempo de consulta: 0.14s Limitar resultados
  1. 641
    por Bambi, Cosimo
    Publicado 2017
    “…This textbook introduces the current astrophysical observations of black holes, and discusses the leading techniques to study the strong gravity region around these objects with electromagnetic radiation. …”
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    Enlace del recurso
  2. 642
    “…Therefore, this theory may serve as a toy model to study fundamental aspects of quantum gravity. Our results represent a step forward towards understanding the UV properties of realistic versions of Hořava gravity.…”
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    Enlace del recurso
  3. 643
    por Zee, A
    Publicado 2018
    “…Of the four fundamental forces of nature, gravity might be the least understood and yet the one with which we are most intimate. …”
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  4. 644
  5. 645
  6. 646
  7. 647
    por Catterall, S., Kogut, John B., Renken, R.
    Publicado 1994
    “…We present the results of a high statistics Monte Carlo study of a model for four dimensional euclidean quantum gravity based on summing over triangulations. We show evidence for two phases; in one there is a logarithmic scaling on the mean linear extent with volume, whilst the other exhibits power law behaviour with exponent 1/2. …”
    Enlace del recurso
    Enlace del recurso
  8. 648
    por Lerche, W.
    Publicado 1994
    “…Internationales Symposium \"uber Elementarteilchentheorie, Wendisch-Rietz, 1993) We review the superconformal properties of matter coupled to $2d$ gravity, and $W$-extensions thereof. We show in particular how the \nex2 structure provides a direct link between certain matter-gravity systems and matrix models. …”
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  9. 649
    “…4-Derivative gravity provides a renormalizable theory of quantum gravity at the price of introducing a physical ghost, which could admit a sensible positive-energy quantization. …”
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    Enlace del recurso
  10. 650
  11. 651
  12. 652
    por Catterall, Simon M
    Publicado 1994
    “…Recent models for discrete euclidean quantum gravity incorporate a sum over simplicial triangulations. …”
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    Enlace del recurso
  13. 653
    “…We prove a version of the Weak Gravity Conjecture for 6d F-theory or heterotic string compactifications with 8 supercharges. …”
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    Enlace del recurso
  14. 654
  15. 655
    por Percacci, Roberto
    Publicado 2019
    “…--HTML-->I will review metric-affine theories of gravity and the occurrence of a Higgs mechanism that gives mass to the gravitational connection. …”
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  16. 656
  17. 657
  18. 658
  19. 659
  20. 660
    por Buratti, Ginevra
    Publicado 2019
    “…In particular, this allows to reinterpret the runaway instabilities of the gravity dual of fractional branes in the dP1 theory, and to rule out warped throats with Dynamical Supersymmetry Breaking D-brane sectors at their bottom. …”
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