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相关论文: Computing challenges of the Cosmic Microwave Backg…

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Cosmic Microwave Background (CMB) anisotropy encodes a lot of information about our Universe. In this paper we take the ground-based CMB observations (GCMB), including the South Pole Telescope (SPT), SPTpol and the Atacama Cosmology…

宇宙学与河外天体物理 · 物理学 2020-07-01 Ke Wang , Qing-Guo Huang

We are now beginning to learn detailed information about cosmological parameters from the shapes of the matter and radiation power spectra, together with their relative normalization. As more high quality data are gathered from galaxy…

天体物理学 · 物理学 2007-05-23 Douglas Scott

The cosmic microwave background (CMB) is a unique probe of cosmological parameters and conditions. There is a connection between anisotropy in the CMB and the topology of the Universe. Adopting a universe with the topology of a 3-Torus, or…

天体物理学 · 物理学 2009-10-22 Angelica de Oliveira-Costa , George F. Smoot

The cosmic microwave background anisotropy is sensitive to the slope and amplitude of primordial energy density and gravitational wave fluctuations, the baryon density, the Hubble constant, the cosmological constant, the ionization history,…

天体物理学 · 物理学 2008-11-26 J. R. Bond , Robert Crittenden , Richard L. Davis , George Efstathiou , Paul J. Steinhardt

Cosmic microwave background anisotropies provide a vast amount of cosmological information. Their full physical content and detailed structure can be understood in a simple and intuitive fashion through a systematic investigation of the…

天体物理学 · 物理学 2009-10-28 Wayne Hu , Naoshi Sugiyama , Joseph Silk

In the last few decades, advances in observational cosmology have given us a standard model of cosmology. We know the content of the universe to within a few percent. With more ambitious experiments on the way, we hope to move beyond the…

宇宙学与河外天体物理 · 物理学 2011-09-26 Amit P. S. Yadav , Benjamin D. Wandelt

We expose the scenarios of primordial baryon-photon plasma evolution within the framework of the Milne-like universe models. Recently, such models find a second wind and promise an inflation-free solution of a lot of cosmological puzzles…

广义相对论与量子宇宙学 · 物理学 2019-01-09 S. L. Cherkas , V. L. Kalashnikov

This talk, presented at the 5th Rencontres du Vietnam 2004, gives a review of the cosmological implications of the cosmic microwave background (CMB) data. The observational progress that has been made over the past decade is discussed and…

天体物理学 · 物理学 2007-05-23 Louise M. Ord

We investigate the imprint of nonlinear matter condensations on the Cosmic Microwave Background (CMB) in an $\Omega=1$, Cold Dark Matter (CDM) model universe. Temperature anisotropies are obtained by numerically evolving matter…

天体物理学 · 物理学 2016-08-30 Robin Tuluie , Pablo Laguna

Scaling properties of the cosmic microwave background (CMB) radiation are studied using satellite (COBE-DMR maps), balloon-borne and ground-based (combined QMASK map) data. Quantitative consistency is found between the multiscaling…

天体物理学 · 物理学 2009-11-07 A. Bershadskii

The polarization of the cosmic microwave background (CMB) is encoded with exactly the same cosmic information as the CMB's temperature anistropy. However, polarization has the additional promise of accurately probing the reionization…

天体物理学 · 物理学 2009-11-13 Brian Keating , Nathan Miller

The power spectrum of fluctuations in the cosmic microwave background (CMB) depends on most of the key cosmological parameters. Accurate future measurements of this power spectrum might therefore allow us to determine h, Omega, Omega_b,…

天体物理学 · 物理学 2007-05-23 Max Tegmark

The COBE satellite has provided the only comprehensive multi-frequency full-sky observations of the microwave sky available today. Assessment of the observations requires a detailed likelihood analysis to extract the maximum amount of…

天体物理学 · 物理学 2007-05-23 K. M. Gorski

In this thesis we investigate several aspects related to the theory of fluctuations in the Cosmic Microwave Background. We develop a new algorithm to calculate the angular power spectrum of the anisotropies which is two orders of magnitude…

天体物理学 · 物理学 2007-05-23 Matias Zaldarriaga

The study of cosmic microwave background (CMB) polarization is still in a pioneering stage, but promises to bring a huge advancement in cosmology in the near future, just as high-accuracy observations of the anisotropies in the total…

天体物理学 · 物理学 2007-05-23 Amedeo Balbi , Paolo Natoli , Nicola Vittorio

Spanish: La Cosmolog\'ia esta progresando a pasos agigantados gracias a la cantidad espectacular de datos observacionales que se obtienen tanto de los experimentos en tierra como sat\'elites. Un papel fundamental es desempe\~ndo por las…

宇宙学与河外天体物理 · 物理学 2014-09-05 Jorge Mastache

The properties of the cosmic microwave background radiation provide unique constraints on cosmological models, i.e. on the content, history, and evolution of the Universe. I discuss the latest measurements of the spectral and spatial…

天体物理学 · 物理学 2009-10-22 C. L. Bennett

The Cosmic Microwave Background provides our most ancient image of the Universe and our best tool for studying its early evolution. Theories of high energy physics predict the formation of various types of topological defects in the very…

天体物理学 · 物理学 2011-09-29 M. Cruz , N. Turok , P. Vielva , E. Martinez-Gonzalez , M. Hobson

In universes with significant curvature or cosmological constant, cosmic microwave background (CMB) anisotropies are created very recently via the Rees-Sciama or integrated Sachs-Wolfe effects. This causes the CMB anisotropies to become…

天体物理学 · 物理学 2009-10-30 S. P. Boughn , R. G. Crittenden , N. G. Turok

In cosmic microwave background (CMB) experiments, foreground-cleaned temperature maps are still contaminated by the residual dipole due to uncertainties of the Doppler dipole direction and microwave radiometer sidelobe. To obtain reliable…

宇宙学与河外天体物理 · 物理学 2013-01-16 Hao Liu , Ti-Pei Li