Mostrando 2,681 - 2,700 Resultados de 8,169 Para Buscar '"gravity"', tiempo de consulta: 0.21s Limitar resultados
  1. 2681
    “…Motivated by conceptual problems in quantum theories of gravity, the gravitational eikonal approach, inspired by its electromagnetic predecessor, has been successfully applied to the transplanckian energy collisions of elementary particles and strings since the late eighties, and to string-brane collisions in the past decade. …”
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  2. 2682
    por Ferrara, Sergio, Fronsdal, Christian
    Publicado 1998
    “…These representations lie at the threshold of two "unitary bounds" that apply to any conformally invariant field theory. Gravity and Yang-Mills gauge symmetry in anti-De Sitter is translated to global translational symmetry and continuous R-symmetry of the boundary superconformal field theory.…”
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  3. 2683
    “…The gravitational and gauge interactions unite at the electroweak scale, and the observed weakness of gravity at long distances is due the existence of large new spatial dimensions. …”
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  4. 2684
    por Ellis, John R.
    Publicado 1999
    “…The Cosmic Microwave Background (CMB) provides a precious window on fundamental physics at very high energy scales, possibly including quantum gravity, GUTs and supersymmetry. The CMB has already enabled defect-based rivals to inflation to be discarded, and will be able to falsify many inflationary models. …”
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  5. 2685
    por Mayr, P.
    Publicado 1999
    “…The study of curved D-brane geometries in type II strings implies a general relation between local singularities $\cx W$ of Calabi-Yau manifolds and gravity free supersymmetric QFT's. The minimal supersymmetric case is described by F-theory compactifications on $\cx W$ and can be used as a starting point to define minimal supersymmetric heterotic string compactifications on compact Calabi-Yau manifolds with holomorphic, stable gauge backgrounds. …”
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  6. 2686
    por Gherghetta, Tony, Oz, Yaron
    Publicado 2001
    “…We apply the results to the study of dilatonic brane-worlds described by non-conformal field theories coupled to gravity. We find that brane-worlds based on D4 and D5 branes exhibit a localization of gauge and gravitational fields. …”
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  7. 2687
    “…In scenarios with large extra dimensions and TeV scale gravity ultrahigh energy neutrinos produce black holes in their interactions with the nucleons. …”
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  8. 2688
    por Gregoire, T, Schwartz, M D, Shadmi, Y
    Publicado 2004
    “…This is the natural generalization of the Fierz-Pauli Lagrangian for massive gravity which comprises mass terms for the metric and its trace. …”
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  9. 2689
    “…We construct a model of gravity where the tensor graviton mode is massive, while spatially flat cosmological solutions and linearized equations for scalar and vector metric perturbations are not modified. …”
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  10. 2690
    “…Lukman), 7. Geometry Decides Gravity, Demanding General Relativity-it is Thus the Quantum Theory of Gravity (R. …”
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  11. 2691
    por Veneziano, Gabriele
    Publicado 2017
    “…The predictions of general relativity have been verified by now in a variety of different situations, setting strong constraints on any alternative theory of gravity. Nonetheless, there are strong indications that general relativity has to be regarded as an approximation of a more complete theory. …”
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  12. 2692
    por Nishimura, Yusuke
    Publicado 2023
    “…The human body experiences constant stimulation from Earth's gravity, and the absence of gravity leads to various impacts at the cellular and tissue levels. …”
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  13. 2693
    por Penner, Abraham, Bernheim, Alice Ida
    Publicado 1942
    “…The intravenous injection of Shiga toxin into dogs causes a rise in hemoglobin, red blood cell count, hematocrit reading, and specific gravity of the whole blood. There is thus a decrease in circulating blood volume. …”
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  14. 2694
    “…We encountered a lack of understanding of the gravity of tuberculosis infection among both the public and providers of health care. …”
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  15. 2695
    “…The key collision problems are resolved by utilizing a polygonal shape’s center of gravity. The method shows that calculating a polygonal shape’s center of gravity only requires a very small amount of calculations from the users. …”
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  16. 2696
    por Liu, Shing-Hong, Cheng, Wen-Chang
    Publicado 2012
    “…In this study, we defined activities in which the body's center of gravity quickly declines as falling activities of daily life (ADLs). …”
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  17. 2697
    por Selvan, P. S., Priya, E. Sanmuga
    Publicado 2015
    “…In both the formulations, ethanol content observed by specific gravity method varied from 0.9 to 1.9% on day 0 and reduced on storage for 30 days ranging from 0.1-0.6% v/v. …”
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  18. 2698
    “…Unfortunately, similar training methods can’t be used to prepare re-adaptation to planetary gravity. Here, we propose a quick, simple and inexpensive approach that could be used to prepare astronauts both for the absence and for the renewed presence of gravity. …”
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  19. 2699
    “…An airborne gravimeter is one of the most important tools for gravity data collection over large areas with mGal accuracy and a spatial resolution of several kilometers. …”
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  20. 2700
    “…Generally, the strong specimen had higher specific gravity and lower moisture content. However, some parameters did not follow the general trend e.g., thinner specimen showed much higher Young’s Modulus, although their specific gravity and moisture content remained similar to control, revealing a marked skin-effect which was confirmed by SEM observations.…”
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