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Observational probes of cosmic acceleration

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In this article, the authors present extensive forecasts for constraints on the dark energy equation of state and parameterized deviations from General Relativity, achievable with Stage III and Stage IV experimental programs that incorporate supernovae, BAO, weak lensing, and cosmic microwave background data.
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This article is published in Physics Reports.The article was published on 2013-09-10 and is currently open access. It has received 1253 citations till now. The article focuses on the topics: Dark energy & Lambda-CDM model.

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LSST: from Science Drivers to Reference Design and Anticipated Data Products

Željko Ivezić, +312 more
- 15 May 2008 - 
TL;DR: The LSST design is driven by four main science themes: probing dark energy and dark matter, taking an inventory of the solar system, exploring the transient optical sky, and mapping the Milky Way.
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The clustering of galaxies in the completed SDSS-III Baryon Oscillation Spectroscopic Survey: cosmological analysis of the DR12 galaxy sample

Shadab Alam, +90 more
TL;DR: In this article, the authors present cosmological results from the final galaxy clustering data set of the Baryon Oscillation Spectroscopic Survey, part of the Sloan Digital Sky Survey III.
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The clustering of galaxies in the sdss-iii baryon oscillation spectroscopic survey: Baryon acoustic oscillations in the data release 9 spectroscopic galaxy sample

Lauren Anderson, +76 more
TL;DR: In this paper, the authors present a measurement of the cosmic distance scale from detections of the baryon acoustic oscillations in the clustering of galaxies from the Baryon Oscillation Spectroscopic Survey (BOSS), which is part of the Sloan Digital Sky Survey III (SDSS-III).
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$f(R,T)$ gravity

TL;DR: In this article, the authors considered a modified theory of gravity, where the gravitational Lagrangian is given by an arbitrary function of the Ricci scalar and of the trace of the stress-energy tensor.
References
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Journal ArticleDOI

Is there a cosmological constant

TL;DR: In this paper, it was shown that neither spiral galaxies nor groups and clusters contribute significantly to the production of gravitational lenses and that the lack of group and cluster lenses is strong evidence for the role of baryonic cooling in increasing the efficiency of galaxies as lenses compared to groups and cluster of higher mass but lower central density.
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A new measure for cosmic shear

TL;DR: In this paper, the aperture mass Map(θ) is defined as a spatially filtered projected density field and can be measured directly from the image distortions of high-redshift galaxies.
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Weak Gravitational Lensing by Galaxies

TL;DR: In this paper, a detection of weak, tangential distortion of the images of cosmologically distant, faint galaxies due to gravitational lensing by foreground galaxies is reported, which is consistent with the signal expected on the basis of simulations incorporating measured properties of local galaxies and modest extrapolations of the observed redshift distribution of faint galaxies.
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The cosmological constant is back

TL;DR: A diverse set of observations now compellingly suggest that the universe possesses a nonzero cosmological constant as mentioned in this paper, and the fundamental theoretical challenges for particle physics and for extending our understanding of the evolution of the universe back to the earliest moments.
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Dark energy constraints from cosmic shear power spectra: impact of intrinsic alignments on photometric redshift requirements

TL;DR: In this paper, the authors use the linear intrinsic alignment model as a base and compare it to an alternative model and data, and find that when intrinsic alignments are included two or more times as many bins are required to obtain 80% of the available information.
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