Results 281 to 290 of about 5,429,060 (314)
Presence in Absence: A Daoist Critique of Interventionist Care and the Reconstruction of Nursing Presence. [PDF]
Dong X.
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Cosmology with the Laser Interferometer Space Antenna [PDF]
The Laser Interferometer Space Antenna (LISA) has two scientific objectives of cosmological focus: to probe the expansion rate of the universe, and to understand stochastic gravitational-wave backgrounds and their implications for early universe and ...
Katy Clough +2 more
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Cosmology describes the evolution of the Universe and is based on a description of its beginning from quantum fluctuations. String theory is the only known consistent theory of quantum gravity that can deal with the highest energy scales near the Planck ...
Horatiu Nastase
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The Story of Cosmological Theory
Science, 1917Blank misgivings of a creature Moving about in worlds not realized. For him, perhaps it was enough to taste the joy of living, to watch the rising and the setting of the sun, to gaze upon the mountain, the river and the restless sea, and never to ask himself the question "what is this world in which I live, and how did it come into being?" But this ...
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Chaos in M-theory Cosmology [PDF]
Summary: We review some recent work by \textit{T. Damour} and the author [Phys. Rev. Lett. 85, 920-923 (2000; Zbl 0978.83053)] on the chaotic behaviour of the gravitational field in the vicinity of a spacelike singularity in \(M\)-theory and superstring models. We stress in particular the rôle of the massless \(p\)-forms in this context.
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Quantum Cosmology in CGBD Theory
International Journal of Theoretical Physics, 2002A quantum cosmological model of gravitation interacting with a charged Brans-Dicke type scalar field has been discussed in the Pauli frame. The Wheeler-DeWitt equation is solved in the semi classical approximation by applying the WKB approximation. The wave function of the universe is obtained by applying Vilenkin-like and Hartle-Hawking-like boundary ...
Yang, GH +4 more
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COSMOLOGICAL PERTURBATIONS IN GENERALIZED GRAVITY THEORIES
Modern Physics Letters A, 1996We present cosmological perturbation theory based on generalized gravity theories including string correction terms as well as a tachyonic complication. The classical evolution as well as the quantum generation processes in these variety of gravity theories are presented in unified forms. These apply both to the scalar- and tensor-type perturbations.
Noh, Hyerim, Hwang, Jai-Chan
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Quantum Field Theory and Cosmology
1982Experimental evidence points with ever increasing confidence towards an evolutionary cosmology. The standard framework used to confront this circumstance is the “hot big bang” theory: an initial classical singularity, possibly smeared by unknown quantum effects, produces a thermal distribution of the quanta of the matter field at a temperature close to
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