Observational probes of cosmic acceleration
David H. Weinberg,Michael J. Mortonson,Daniel J. Eisenstein,Daniel J. Eisenstein,Christopher M. Hirata,Adam G. Riess,Eduardo Rozo +6 more
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TLDR
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.About:
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.read more
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Asymptotic behavior of a scalar field with an arbitrary potential trapped on a Randall-Sundrum’s braneworld: the effect of a negative dark radiation term on a Bianchi I brane
TL;DR: In this article, a phase space analysis of a quintessence field and a perfect fluid trapped in a Randall-Sundrum's Braneworld of type 2 is presented, where the effect of the projection of the Weyl tensor onto the three-brane in the form of a negative Dark Radiation term is considered.
Journal ArticleDOI
Evolution of the fine-structure constant in runaway dilaton models
TL;DR: In this article, the fine-structure constant α in the string-inspired runaway dilaton class of models of Damour, Piazza and Veneziano is studied.
Journal ArticleDOI
Cosmological implications of modified gravity induced by quantum metric fluctuations
TL;DR: In this paper, the cosmological implications of modified gravities induced by the quantum fluctuations of the gravitational metric were investigated, and it was shown that a large variety of models can be constructed, which, depending on the numerical values of the model parameters, can exhibit both accelerating and decelerating behaviors.
Journal ArticleDOI
Probing gravity with a joint analysis of galaxy and CMB lensing and SDSS spectroscopy
Sukhdeep Singh,Shadab Alam,Shadab Alam,Rachel Mandelbaum,Uroš Seljak,Uroš Seljak,Sergio Rodríguez-Torres,Shirley Ho +7 more
TL;DR: In this article, a probe of gravity from large-scale structure, using BOSS LOWZ and CMASS spectroscopic samples, with lensing measurements from SDSS (galaxy lensing) and Planck (CMB lensing).
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Packed Ultra-wideband Mapping Array (PUMA): A Radio Telescope for Cosmology and Transients
Anze Slosar,Zeeshan Ahmed,David Alonso,Mustafa A. Amin,Evan J. Arena,Kevin Bandura,Nicholas Battaglia,Jonathan Blazek,Philip Bull,Emanuele Castorina,Tzu-Ching Chang,Liam Connor,Romeel Davé,Cora Dvorkin,Alexander van Engelen,Simone Ferraro,Raphael Flauger,Simon Foreman,Josef Frisch,Dan Green,Gilbert Holder,Daniel C. Jacobs,Matthew C. Johnson,Joshua S. Dillon,Dionysios Karagiannis,Alexander A. Kaurov,Lloyd Knox,Adrian Liu,Marilena LoVerde,Yin-Zhe Ma,Kiyoshi Masui,Thomas McClintock,Kavilan Moodley,Moritz Münchmeyer,Laura Newburgh,Cherry Ng,Andrei Nomerotski,Paul O'Connor,Andrej Obuljen,Hamsa Padmanabhan,David Parkinson,J. Xavier Prochaska,Surjeet Rajendran,David Rapetti,Benjamin Saliwanchik,Emmanuel Schaan,Neelima Sehgal,J. Richard Shaw,Chris Sheehy,Erin S. Sheldon,R. Shirley,Eva Silverstein,Tracy R. Slatyer,Paul Stankus,Albert Stebbins,Peter T. Timbie,Gregory S. Tucker,William Tyndall,Francisco Villaescusa Navarro,Benjamin Wallisch,Martin White +60 more
TL;DR: PUMA as mentioned in this paper is a proposal for an ultra-wideband, low-resolution and transit interferometric radio telescope operating at $200-1100\,\mathrm{MHz}.
References
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Measurements of Omega and Lambda from 42 High-Redshift Supernovae
Saul Perlmutter,Saul Perlmutter,Greg Aldering,Gerson Goldhaber,Gerson Goldhaber,R. A. Knop,Peter Nugent,P. G. Castro,P. G. Castro,Susana E. Deustua,Sebastien Fabbro,Sebastien Fabbro,A. Goobar,A. Goobar,Donald E. Groom,I. M. Hook,I. M. Hook,A. G. Kim,A. G. Kim,A. G. Kim,M. Y. Kim,Julia C. Lee,Julia C. Lee,Nelson J. Nunes,Nelson J. Nunes,Reynald Pain,Reynald Pain,C. R. Pennypacker,C. R. Pennypacker,Robert Quimby,Christopher Lidman,Richard S. Ellis,Mike Irwin,Richard G. McMahon,Pilar Ruiz-Lapuente,Nicholas A. Walton,Bradley E. Schaefer,B. J. Boyle,Alexei V. Filippenko,Thomas Matheson,A. S. Fruchter,Nino Panagia,Nino Panagia,Heidi Jo Newberg,Warrick J. Couch +44 more
TL;DR: In this paper, the mass density, Omega_M, and cosmological-constant energy density of the universe were measured using the analysis of 42 Type Ia supernovae discovered by the Supernova Cosmology project.
Journal ArticleDOI
Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant
Adam G. Riess,Alexei V. Filippenko,Peter Challis,Alejandro Clocchiatti,Alan H. Diercks,Peter M. Garnavich,R. L. Gilliland,Craig J. Hogan,Saurabh Jha,Robert P. Kirshner,Bruno Leibundgut,Mark M. Phillips,David J Reiss,Brian P. Schmidt,R. A. Schommer,R. Chris Smith,R. Chris Smith,Jason Spyromilio,Christopher W. Stubbs,Nicholas B. Suntzeff,John L. Tonry +20 more
TL;DR: In this article, the authors used spectral and photometric observations of 10 Type Ia supernovae (SNe Ia) in the redshift range 0.16 " z " 0.62.
Journal ArticleDOI
Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant
Adam G. Riess,Alexei V. Filippenko,Peter Challis,Alejandro Clocchiattia,Alan H. Diercks,Peter M. Garnavich,R. L. Gilliland,Craig J. Hogan,Saurabh Jha,Robert P. Kirshner,Bruno Leibundgut,Mark M. Phillips,David J Reiss,Brian P. Schmidt,Robert A. Schommer,R. Chris Smith,Jason Spyromilio,Christopher W. Stubbs,Nicholas B. Suntzeff,John L. Tonry +19 more
TL;DR: In this paper, the authors present observations of 10 type Ia supernovae (SNe Ia) between 0.16 0 and 4.0 sigma confidence levels, for two fitting methods respectively.
Journal ArticleDOI
Measurements of Omega and Lambda from 42 High-Redshift Supernovae
Saul Perlmutter,Greg Aldering,G. Goldhaber,R. A. Knop,Peter Nugent,P. G. Castro,Susana E. Deustua,Sebastien Fabbro,A. Goobar,D. E. Groom,I. M. Hook,A. G. Kim,M. Y. Kim,Julia C. Lee,Nelson J. Nunes,Reynald Pain,C. R. Pennypacker,R. M. Quimby,C. Lidman,Richard S. Ellis,Michael G. Irwin,Richard G. McMahon,P. Ruiz-Lapuente,Nicholas A. Walton,Bradley E. Schaefer,B. J. Boyle,Alexei V. Filippenko,Thomas Matheson,A. S. Fruchter,Nino Panagia,Heidi Jo Newberg,W. J. Couch +31 more
TL;DR: In this paper, the mass density, Omega_M, and cosmological-constant energy density of the universe were measured by the analysis of 42 Type Ia supernovae discovered by the Supernova Cosmology Project.
Journal ArticleDOI
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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