Top PDF DARK MATTER AND VARIABLE COSMOLOGICAL CONSTANT
DARK MATTER AND VARIABLE COSMOLOGICAL CONSTANT
... baryonic matter [2]. Evidences for the existence of an unseen ‘dark’ component in the energy density of the universe comes from several independent observations at different length scales, rotations of ...
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Cosmological dynamics of tachyonic teleparallel dark energy
... I.d, and I.e are the same points that were found for teleparallel dark energy in ...teleparallel dark energy. Such as in tele- parallel dark energy, in tachyonic teleparallel dark ...
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Braz. J. Phys. vol.38 número1
... modern cosmological theories, a dynamic cosmological term Λ(t) remains a focal point of interest as it solves the cos- mological constant problem in a natural ...Einstein’s cosmological ...
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A unified model of inflation, dark matter, neutrino masses and baryogenesis
... evolution and the dark matter content of the Universe, due to an incom- plete decay of the ...masses and also the generation of the observed baryon asymmetry in the Universe through a thermal ...
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Complex scalar dark matter in a B-L model
... calculation and on how to implemment them inside numerical ...Λ-CDM Cosmological Model, Thermodynamics of the Early Universe, arriving in the end at the Boltzmann equation (its properties have been analyzed ...
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Unified description of dark energy and dark matter within the generalized hybrid metric-palatini theory of gravity
... a cosmological constant, but it turns out that the theoretical value of this constant, resulting from quantum field theory calculations, is overwhelmingly different from the one required by ...known ...
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Cosmic microwave background and large-scale structure constraints on a simple quintessential inflation model
... Masso´ and Zsembinszki ...inflation and the phase ’ produces dark matter, was studied in ...the dark matter, a high energy scale for the axion decay constant f is also ...
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Astrophysical and cosmological doomsdays
... IR and UV effects could alter a big rip singularity setting ...phantom matter on the brane and a GB term in the bulk ...phantom matter (with a constant equation of state) in a standard ...
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Braz. J. Phys. vol.34 número1A
... to dark energy. This ubiquitous component plus the dark matter are responsible for nearly 95% of the matter- energy content filling the ...from dark matter, the extra dark ...
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Advanced Instrumentation for Superheated Liquid Detectors in Dark Matter Searches
... pulse and are electromagnetic noise. The signal waveform, decay time constant and spectral density structure of the remaining single events were next inspected ...decay constant of 5-40 ms, ...
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Environmental Assessment of a Diesel Engine Under Variable Stroke Length and Constant Compression Ratio
... crisis and the stringent environmental regulations, diesel engines are offering good hope for automotive ...emissions and give the way for full utilization of the diesel fuel’s excellent ...of ...
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Braz. J. Phys. vol.35 número4B
... of dark energy and dark ...unifying dark matter and dark energy with the use of a single component with an ‘exotic’ equation of ...exact cosmological models which ...
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Dynamical 3-Space: Alternative Explanation of the "Dark Matter Ring"
... of matter, namely the putative “dark ...two constant G and — the fine structure ...ing and lensing, all without invoking “dark ...“dark matter” and ...
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Cubic Galileon theory in the Effective Field theory formalism: a cosmological study
... No entanto, um dos maiores desafios tanto para a RG como para o Modelo Padr˜ ao da F´ısica de Part´ıculas viria a surgir em 1998, quando dados provenientes do estudo de supernovas de tipo Ia mostraram que o Universo est´ ...
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The Newtonian and MOND dynamical models of NGC 5128: Investigation of the dark matter contribution
... Sanders and McGaugh ...mixed and the existence of additional, dark, component cannot be excluded in numerous cases (see below, for more ...additional dark mass ap- pears to be ...the ...
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Consequences of dark matter-dark energy interaction on cosmological parameters derived from type Ia supernova data
... However, a direct comparison of our result for 0 DM with the CMB results is not possible, since the latter has been obtained in the context of uncoupled models. It is therefore important to see whether there are ...
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Dark Radiation and Localization of Gravity on the Brane
... symmetric dark radiation vaccum in the Randall-Sundrum brane world ...dynamical and inhomogeneous solu- tions which depend on the brane cosmological constant, on the dark radiation ...
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Dark Radiation Dynamics on the Brane
... Randall and Sundrum 3-brane ...symmetric dark radiation. We determine exact dynamical and inhomogeneous solutions, which are shown to depend on the brane cosmological constant, on the ...
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Inhomogeneous Dark Radiation Dynamics on a de Sitter Brane
... neous dark radiation vaccum on a Randall and Sundrum 3-brane ...brane and for negative dark energy density we determine exact dynamical and inhomogeneous solutions which de- pend on the ...
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Electrical Conductivity of Metals: A New Look at this Subject
... dielectric constant of 80, permits the Na+ and Cl- ions to move freely through the liquid and this feature can ac- count for the change in its conductive ...shells and hence tightly bound to ...
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