منابع مشابه
The cosmic microwave background
Fig. 2:The power spectrum of CMB anisotropies as seen by BOOMEranG.The first peak corresponds to an angular scale of about 1degree as predicted for it "flat Universe" (i.e., a Universe where the spatial part of the metric is Euclidean). ';2 4000 .3 Fig. 1: Map of the Cosmic Microwave Background obtained by the BOOMERanG experiment.The one-degree-Iike bumps ofthe CMS emission are tiny local fluc...
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I review the discovery of the temperature fluctuations in the cosmic microwave background radiation. The underlying theory and the implications for cosmology are reviewed, and I describe the prospects for future progress.
متن کاملThe Cosmic Microwave Background
We present a brief review of current theory and observations of the cosmic microwave background (CMB). New predictions for cosmological defect theories and an overview of the inflationary theory are discussed. Recent results from various observations of the anisotropies of the microwave background are described and a summary of the proposed experiments is presented. A new analysis technique bas...
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The energy content in radiation from beyond our Galaxy is dominated by the Cosmic Microwave Background (CMB), discovered in 1965 [1]. The spectrum of the CMB is well described by a blackbody function with T = 2.725 K. This spectral form is one of the main pillars of the hot Big Bang model for the early Universe. The lack of any observed deviations from a blackbody spectrum constrains physical p...
متن کاملCosmic Microwave Background
We asses the contribution to the observed large scale anisotropy of the cosmic microwave background radiation, arising from both gravity waves as well as adiabatic density perturbations, generated by a common inflationary mechanism in the early Universe. We find that for inflationary models predicting power law primordial spectra |δk| ∝ k, the relative contribution to the quadrupole anisotropy ...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2008
ISSN: 1550-7998,1550-2368
DOI: 10.1103/physrevd.78.123529