منابع مشابه
Primordial Nucleosynthesis
Primordial nucleosynthesis provides a probe of the Universe during its early evolution. Given the progress exploring the constituents, structure, and recent evolution of the Universe, it is timely to review the status of Big Bang Nucleosynthesis (BBN) and to confront its predictions, and the constraints which emerge from them, with those derived from independent observations of the Universe at ...
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The production of Primordial Black Holes (PBH) from inflationary perturbations provides a physical process where the effective classicality of the fluctuations does not hold for certain scales. For adiabatic perturbations produced during inflation, this range of scales corresponds to PBH with masses M ≪ 1015 g. For PBH with masses M ∼ MH(te), the horizon mass at the end of inflation, the genera...
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Introduction:Artifical sourace of radiation have increased worldwide average annual exposure of mankind and could especially affect rapidly dividing cells in gonads. Since, radiation sensitivities of different components of primordial follicles, and the time required for their deplation have not been morphologically eatablished we decided to estimate the time required for depletion of primordi...
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We calculate the constraints on the primordial curvature perturbation at the end of inflation from the present day abundance of Primordial Black Holes (PBHs), as a function of the reheat temperature TRH. We first extend recent work on the formation of PBHs on scales which remain within the horizon during inflation and calculate the resulting constraints on the curvature perturbation. We then ev...
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Scientific materialism is still influential in certain academic spheres. In this article, I examine multiple lines of empirical evidence showing that this ideology, while partially true, is woefully incomplete and, therefore, obsolete. This evidence indicates that we humans cannot be reduced to powerless, biophysical machines since the psyche greatly influences the activity of the brain and the...
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ژورنال
عنوان ژورنال: Revista de Psicoterapia
سال: 2020
ISSN: 2339-7950,1130-5142
DOI: 10.33898/rdp.v31i117.437