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Titlebook: Observational Tests of Cosmological Inflation; T. Shanks,A. J. Banday,A. W. Wolfendale Book 1991 Kluwer Academic Publishers 1991 Big Bang.

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发表于 2025-3-21 17:37:03 | 显示全部楼层 |阅读模式
书目名称Observational Tests of Cosmological Inflation
编辑T. Shanks,A. J. Banday,A. W. Wolfendale
视频video
丛书名称Nato Science Series C:
图书封面Titlebook: Observational Tests of Cosmological Inflation;  T. Shanks,A. J. Banday,A. W. Wolfendale Book 1991 Kluwer Academic Publishers 1991 Big Bang.
描述This book represents the proceedings from the NATO sponsored Advanced Research Workshop entitled "Observational Tests of Inflation" held at the University of Durham, England on the 10th-14th December, 1990. In recent years, the cosmological inflation model has drawn together the worlds of particle physics, theoretical cosmology and observational astronomy. The aim of the workshop was to bring together experts in all of these fields to discuss the current status of the inflation theory and its observational predictions. The simplest inflation model makes clear predictions which are testable by astronomical observation. Foremost is the prediction that the cosmological density parameter, no, should have a value negligibly different from the critical, Einstein-de Sitter value of 00=1. The other main prediction is that the spectrum of primordial density fluctuations should be Gaussian and take the Harrison-Zeldovich form. The prediction that n =l, in patticular, leads to several important consequences o for cosmology. Firstly, there is the apparent contradiction with the limits on baryon density from Big Bang nucleosynthesis which has led to the common conjecture that weakly interacting
出版日期Book 1991
关键词Big Bang; Dark matter; Inflation; Universe; astronomy; black hole; cosmic microwave background; cosmology; o
版次1
doihttps://doi.org/10.1007/978-94-011-3510-8
isbn_softcover978-94-010-5552-9
isbn_ebook978-94-011-3510-8Series ISSN 1389-2185
issn_series 1389-2185
copyrightKluwer Academic Publishers 1991
The information of publication is updating

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发表于 2025-3-21 22:11:10 | 显示全部楼层
Predictions of Inflation, models can have substantially different implications. Consequently, inflation seems more likely to fall from favour through us being restricted to unappealing models rather than being explicitly ruled out. Whether or not the universe is at the critical density remains the most solid testable prediction of inflation.
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The Topology of Galaxy Clustering,lement to fully three-dimensional studies of topology based on the . by virtue of the enormous projected data, sets available. Applying the method to the Lick counts we find no evidence for large-scale non-gaussian behaviour, whereas the small-scale distribution is strongly non-gaussian, with a shift in the meatball direction.
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Observational Status of Ho,d the cosmic recession velocity of the cluster (v = 1144 ±18 km s.) within a nearly Machian frame can be determined using . distances to more distant clusters. The resulting value of the Hubble constant — freed from all velocity perturbations — is H. = 52 km s.Mpc.. The formal error of this determination is very small.
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Calibrating Cepheid Sequences in Nearby Galaxies,d photometry was originally based in four local Tully-Fisher calibrating galaxies, M31, M33, NGC2403 and M81. Correcting their distance moduli on the basis of our CCD recalibration we find an infra-red Tully-Fisher relation of .. = -10.3(.. — 2.5) — 21.4, with a scatter of 0.·44.
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Novae and the Distance Scale, estimate of .. are discussed. In the future it should prove possible to push distance determinations using novae out beyond the Local Supercluster, and hence determine a value of .. less affected by local velocity anomalies.
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