Mostrando 5,301 - 5,320 Resultados de 5,650 Para Buscar '"cosmology"', tiempo de consulta: 0.13s Limitar resultados
  1. 5301
    “…We also suggest how concepts arising from this link might be used to test cosmological models: for example, to test for large-scale anisotropy and rotational flows in the cosmos.…”
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  2. 5302
    “…Plato and Aristotle incorporated theories of human intelligence into their metaphysical and cosmological theories which informed the social and medical sciences for centuries. …”
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  3. 5303
    por Ng, Emily
    Publicado 2021
    “…I then turn to the medium's ritual work and cosmological account, which invert mediumship's position in space and time. …”
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  4. 5304
    por Chan, Man Ho
    Publicado 2021
    “…Axion is one of the most popular candidates of the cosmological dark matter. Recent studies considering the misalignment production of axions suggest some benchmark axion mass ranges near [Formula: see text] μeV. …”
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  5. 5305
    “…Through two generating functions, some hyperbolically symmetric cosmological models, as well as their physical interpretations, are studied. …”
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  6. 5306
    por Saleem, R., Shahid, Iqra, Sabir, Mudassar
    Publicado 2022
    “…This paper studies the phenomena of warm inflation in a modified cosmological scenario within Rastall gravity. In this context, we modify the standard Friedmann equations using recently proposed Tsallis and Barrow holographic dark energy entropies, alternatively. …”
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  7. 5307
    “…The 7 Deer day record represents the earliest securely dated example of the Maya calendar and is important to understanding the development of the 260-day count and associated aspects of Mesoamerican religion and cosmological science.…”
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  8. 5308
    “…While Penrose’s original construction was based on his vivid geometric “scissors-and-paste” approach in a flat background, until recently a comparably powerful visualization and understanding has been missing in the case with a cosmological constant [Formula: see text] . Here we review the original Penrose construction and its generalization to non-vanishing [Formula: see text] in a pedagogical way, as well as the recently established visualization: A special family of global null geodesics defines an appropriate comoving coordinate system that allows to relate the distributional to the continuous form of the metric.…”
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  9. 5309
    “…Curved spaces play a fundamental role in many areas of modern physics, from cosmological length scales to subatomic structures related to quantum information and quantum gravity. …”
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  10. 5310
    “…The lightest supersymmetric particle of SUSY models with conserved R-parity represents a very good candidate for the cosmological dark matter. The region of parameter space where this is true is well-covered by our searches, at least for tan(beta)=2. …”
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  11. 5311
    por David, André, Passarino, Giampiero
    Publicado 2015
    “…Yet, despite its successes, the SM has shortcomings vis-\`{a}-vis cosmological and other observations. At the same time, while the LHC restarts for Run 2 at 13 TeV, there is presently a lack of direct evidence for new physics phenomena at the accelerator energy frontier. …”
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  12. 5312
    por Ghilencea, D.M., Lalak, Z., Olszewski, P.
    Publicado 2016
    “…Spontaneous breaking of quantum scale invariance may provide a solution to the hierarchy and cosmological constant problems. In a scale-invariant regularization, we compute the two-loop potential of a higgs-like scalar $\phi$ in theories in which scale symmetry is broken only spontaneously by the dilaton ($\sigma$). …”
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  13. 5313
    “…We perform a general analysis on the possibility of obtaining metastable vacua with spontaneously broken N=1 supersymmetry and non-negative cosmological constant in the moduli sector of string models. …”
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  14. 5314
    “…As a first application of the method, we find that whenever the 4D energy density is a pure cosmological constant and a hierarchy of scales exists between the 4D and 5D Planck masses, superluminal propagation unavoidably occurs.…”
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    info:eu-repo/semantics/article
  15. 5315
    “…They are described by geometric flows in three dimensions driven by certain combinations of the Cotton and Ricci tensors as well as the cosmological-constant term. The deformation curvature terms can have competing behavior leading to a variety of fixed points. …”
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    info:eu-repo/semantics/article
  16. 5316
    “…In this analogy with homogeneous cosmologies, the time is replaced by the extra coordinate transverse to the 3-brane, whose world-volume can have an arbitrary constant curvature. …”
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    info:eu-repo/semantics/article
  17. 5317
    por Baggott, Jim
    Publicado 2013
    “…In this stunning new volume, Jim Baggott argues that there is no observational or experimental evidence for many of the ideas of modern theoretical physics: super-symmetric particles,super strings, the multiverse, the holographic principle,or the anthropic cosmological principle. These theories are not only untrue, it is not even science. …”
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  18. 5318
    “…We show that this minimal model can successfully account for the earliest phases of the cosmological evolution: Inflation is driven by the energy density of a false vacuum of unbroken $B$$-$$L$ symmetry, which ends in tachyonic preheating, i.e.\ the decay of the false vacuum, followed by a matter dominated phase with heavy $B$$-$$L$ Higgs bosons. …”
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  19. 5319
    por Elizalde, Emilio
    Publicado 2012
    “…Thoroughly revised, updated and expanded, this new edition includes novel, explicit formulas on the general quadratic, the Chowla-Selberg series case, an interplay with the Hadamard calculus, and also features a fresh chapter on recent cosmological applications, including the calculation of the vacuum energy fluctuations at large scale in braneworld and other models.…”
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  20. 5320
    por Cosentino, L., Musumarra, A., Barbagallo, M., Pappalardo, A., Colonna, N., Damone, L., Piscopo, M., Finocchiaro, P., Maugeri, E., Heinitz, S., Schumann, D., Dressler, R., Kivel, N., Aberle, O., Andrzejewski, J., Audouin, L., Ayranov, M., Bacak, M., Barros, S., Balibrea-Correa, J., Bécares, V., Bečvář, F., Beinrucker, C., Berthoumieux, E., Billowes, J., Bosnar, D., Brugger, M., Caamaño, M., Calviani, M., Calviño, F., Cano-Ott, D., Cardella, R., Casanovas, A., Castelluccio, D. M., Cerutti, F., Chen, Y.H., Chiaveri, E., Cortés, G., Cortés-Giraldo, M.A., Diakaki, M., Domingo-Pardo, C., Dupont, E., Duran, I., Fernandez-Dominguez, B., Ferrari, A., Ferreira, P., Furman, W., Ganesan, S., García-Rios, A., Gawlik, A., Gheorghe, I., Glodariu, T., Göbel, K., Gonc̗alves, I.F., González-Romero, E., Griesmayer, E., Guerrero, C., Gunsing, F., Harada, H., Heftrich, T., Heyse, J., Jenkins, D.G., Jericha, E., Käppeler, F., Katabuchi, T., Kavrigin, P., Kimura, A., Kokkoris, M., Krtička, M., Leal-Cidoncha, E., Lerendegui, J., Lederer, C., Leeb, H., Lo Meo, S., Lonsdale, S., Losito, R., Macina, D., Marganiec, J., Martínez, T., Massimi, C., Mastinu, P., Mastromarco, M., Matteucci, F., Mazzone, A., Mendoza, E., Mengoni, A., Milazzo, P.M., Mingrone, F., Mirea, M., Montesano, S., Nolte, R., Oprea, A., Patronis, N., Pavlik, A., Perkowski, J., Praena, J., Quesada, J., Rajeev, K., Rauscher, T., Reifarth, R., Riego-Perez, A., Rout, P., Rubbia, C., Ryan, J., Sabate-Gilarte, M., Saxena, A., Schillebeeckx, P., Schmidt, S., Sedyshev, P., Smith, A.G., Stamatopoulos, A., Tagliente, G., Tain, J. L., Tarifeño-Saldivia, A., Tassan-Got, L., Tsinganis, A., Valenta, S., Vannini, G., Variale, V., Vaz, P., Ventura, A., Vlachoudis, V., Vlastou, R., Vollaire, J., Wallner, A., Warren, S., Weigand, M., Weiß, C., Wolf, C., Woods, P.J., Wright, T., Zugec, P.
    Publicado 2016
    “…This paper describes a detection apparatus and the experimental procedure for the determination of the cross-section of the 7 Be(n,α)α reaction, which represents one of the focal points toward the solution of the cosmological Lithium abundance problem, and whose only measurement, at thermal energy, dates back to 1963. …”
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