منابع مشابه
Distance-Redshift Relation in a Realistic Inhomogeneous Universe
We investigate the distance-redshift relation in a realistic inhomogeneous universe where the mass distribution is described by the mass function of Sheth and Tormen. It is found that the derived distance deviates systematically from the standard distance up to 10% depending on the choice of the lowest halo mass in which baryonic matter condensed to form luminous object such as galaxies. Remark...
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We investigate the distance-redshift relation in a realistic inhomogeneous universe where the mass distribution is described by the mass function of Sheth and Tormen. It is found that the derived distance deviates systematically from the standard distance up to 10% depending on the choice of the lowest halo mass in which baryonic matter condensed to form luminous object such as galaxies. Remark...
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Modern data are showing increasing evidence that the Universe is accelerating. So far, all attempts to account for the acceleration have required some fundamental dimensionless quantities to be extremely small. We show how a class of scalar field models (which may emerge naturally from superstring theory) can account for acceleration which starts in the present epoch with all the potential para...
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Background and Aim: The Primary Health Care (PHC) system is the most comprehensive, equitable and efficient way to promote people's health and social welfare by providing preventive, curative, rehabilitative and palliatvie services in a place close to where people live and work. Iran's PHC system faces challenges that limit its effectiveness and efficiency. The aim of this study was to identify...
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The thoughts expressed in this article are based on remarks made by Jürgen Ehlers at the Albert– Einstein–Institut, Golm, Germany in July 2007. The main objective of this article is to demonstrate, in terms of plausible order–of–magnitude estimates for geometrical scalars, the relevance of spatial curvature in realistic models of the Universe that describe the dynamics of structure formation si...
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ژورنال
عنوان ژورنال: The Journal of Nervous and Mental Disease
سال: 1919
ISSN: 0022-3018
DOI: 10.1097/00005053-191901000-00041