Mostrando 5,101 - 5,120 Resultados de 5,650 Para Buscar '"cosmology"', tiempo de consulta: 0.15s Limitar resultados
  1. 5101
    por Fidecaro, F
    Publicado 1997
    “…Stochastic background of cosmological and astrophysical will also be searched for. …”
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  2. 5102
    por Zucchelli, P
    Publicado 2001
    “…No tau candidate has been found, leading to a nu submu -> nu subtau mixing excluded down to sin sup 2 2 theta submu subtau 6.8 x 10 sup - sup 4 for large DELTA m sup 2 (90% C.L.) and extending the search into the region of DELTA m sup 2 approx 1 eV sup 2 of cosmological interest. A second emulsion data-taking is being performed to improve the oscillation search and to add significant results in the charm physics sector.…”
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  3. 5103
    por Rendall, Alan D.
    Publicado 2002
    “…A conjectural picture of the asymptotic behaviour of general cosmological solutions of the Einstein equations is built up. …”
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  4. 5104
    por Le, T.D.
    Publicado 2020
    “…The obtained result appears as a new highly sensitive probe of the cosmological variability of the fine-structure constant. …”
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  5. 5105
    por Yılmaz, Ali Osman, Güdekli, Ertan
    Publicado 2021
    “…We investigate Friedmann–Lamaitre–Robertson–Walker (FLRW) models with modified Chaplygin gas and cosmological constant, using dynamical system methods. …”
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  6. 5106
    “…Provided a non-vanishing quantum cosmological constant is present, here it is proved how a regular background space-time metric tensor can be obtained starting from a singular one. …”
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  7. 5107
    “…We also discuss how this scenario fits naturally with cyclic cosmologies and recent conjectures about quantum gravity.…”
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  8. 5108
    “…Vortices are whirling disturbances, commonly found in nature, ranging from tremendously small scales in Bose-Einstein condensations to cosmologically colossal scales in spiral galaxies. An optical vortex, generally associated with a spiral phase, can carry orbital angular momentum (OAM). …”
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  9. 5109
    por Saad, Bradford
    Publicado 2022
    “…Taken together, these considerations underwrite a kind of ‘psychophysical fine-tuning’ argument in support of panpsychism, one that is reminiscent of cosmological fine-tuning arguments in favor of multiverse hypotheses.…”
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  10. 5110
    por Ellis, John
    Publicado 2013
    “…The data from the first run of the LHC at 7 and 8 TeV, together with the information provided by other experiments such as precision electroweak measurements, flavour measurements, the cosmological density of cold dark matter and the direct search for the scattering of dark matter particles in the LUX experiment, provide important constraints on supersymmetric models. …”
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  11. 5111
    “…Absence of fine-tuning and perturbative calculability require that the effective potential has a sliding gravitino mass and vanishing cosmological constant, up to {\cal O}(m_{3/2}^4) corrections. …”
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  12. 5112
    por Ross, Graham G., Sarkar, Subir
    Publicado 1995
    “…We reconsider the problems of cosmological inflation in effective supergravity theories. …”
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  13. 5113
    “…The near-degenerate neutrinos may weigh < 10^8 GeV, avoiding the cosmological gravitino problem. This scenario predicts that Br(mu to e gamma) should be strongly suppressed, because of the small singlet neutrino masses, whilst Br(tau to mu gamma) may be large enough to be observable in B-factory or LHC experiments. …”
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  14. 5114
    por Gallicchio, Jason, Mahbubani, Rakhi
    Publicado 2009
    “…The size of the sphere is stabilized by a combination of a bulk cosmological constant and a magnetic flux. Computing the 4D effective potential between probe branes in this background, we find a non-zero contribution only from exchange of level-1 KK modes of the graviton and radion. …”
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  15. 5115
    por Espriu, Domenec, Renau, Albert
    Publicado 2010
    “…While the radiation induced (similar to the Cherenkov effect) is too small to influence the propagation of cosmic rays in a significant way, the hypothetical detection of the photons radiated by high energy cosmic rays via this mechanism would provide an indirect way of verifying the cosmological relevance of axions. We discuss on the order of magnitude of the effect.…”
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  16. 5116
    “…Boltzmann codes are used extensively by several groups for constraining cosmological parameters with Cosmic Microwave Background and Large Scale Structure data. …”
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  17. 5117
    “…We introduce a Lagrangian-space Effective Field Theory (LEFT) formalism for the study of cosmological large scale structures. Unlike the previous Eulerian-space construction, it is naturally formulated as an effective field theory of extended objects in Lagrangian space. …”
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  18. 5118
    “…We perform three-dimensional cosmological simulations for four distinct haloes and compare their thermal, chemical, and dynamical evolution in both the ordinary and the mirror sectors. …”
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  19. 5119
    por González Fernández, Sergio
    Publicado 2020
    “…Cosmological and astrophysical observation point to the existence of an exotic type of matter known as Dark Matter (DM) that accounts for about 84\% of the mass of the Universe. …”
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  20. 5120
    “…Using data on the running coupling constants we indicate that in the non-supersymmetric case V-strings can be stable for part of the physically-viable parameter space. Cosmological consequences are briefly discussed.…”
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