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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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DES Y1 results: splitting growth and geometry to test ΛcDM

TL;DR: In this article, the authors analyze the Dark Energy Survey (DES) data to constrain a cosmological model where a subset of parameters-focusing on Omega(m)-are split into versions associated with structure growth and expansion history (e.g., Omega(geo)(m)).
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General purpose ray-tracing and polarized radiative transfer in General Relativity

TL;DR: Arcmancer as mentioned in this paper is a general ray-tracing and tensor algebra library, written in C++ and providing a Python interface, which supports Riemannian and semi-Riemannians spaces of any dimension and metric.

Evolution of Clusters of Galaxies

TL;DR: In this article, the authors use self-similar scaling laws to find that the neutral evolution in the optical spectrum is quite well with what is expected, but that the negative X-ray evolution is very hard to reconcile with the idea that state of the gas in clusters is the result of gravitational clustering.
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Broadband distortion modeling in Lyman-$\alpha$ forest BAO fitting

TL;DR: In this paper, a multiplicative correction to the power spectrum of the transmitted flux fraction that suppresses power on scales corresponding to the typical length of a Lyman-$\alpha$ forest spectrum is proposed.
References
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The relationship between infrared, optical, and ultraviolet extinction

TL;DR: In this article, the average extinction law over the 3.5 micron to 0.125 wavelength range was derived for both diffuse and dense regions of the interstellar medium. And the validity of the law over a large wavelength interval suggests that the processes which modify the sizes and compositions of grains are stochastic in nature.
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