Testing the cosmological constant as a candidate for dark energy

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It may be difficult to single out the best model of dark energy on the basis of the existing and planned cosmological observations, because many different models can lead to similar observational consequences. However, each particular model can be studied and either found consistent with observations or ruled out. In this paper, we concentrate on the possibility to test and rule out the simplest and by far the most popular of the models of dark energy, the theory described by general relativity with positive vacuum energy (the cosmological constant). We evaluate the conditions under which this model could be ruled ... continued below

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Kratochvil, Jan; Linde, Andrei; Linder, Eric V. & Shmakova, Marina December 3, 2003.

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It may be difficult to single out the best model of dark energy on the basis of the existing and planned cosmological observations, because many different models can lead to similar observational consequences. However, each particular model can be studied and either found consistent with observations or ruled out. In this paper, we concentrate on the possibility to test and rule out the simplest and by far the most popular of the models of dark energy, the theory described by general relativity with positive vacuum energy (the cosmological constant). We evaluate the conditions under which this model could be ruled out by the future observations made by the Supernova/Acceleration Probe SNAP (both for supernovae and weak lensing) and by the Planck Surveyor cosmic microwave background satellite.

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  • Journal Name: Journal of Cosmology and Astroparticle Physics; Journal Volume: 407; Journal Issue: 1; Other Information: Journal Publication Date: 12/08/2003

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  • Report No.: LBNL--56024
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 827588
  • Archival Resource Key: ark:/67531/metadc786068

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  • December 3, 2003

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  • Dec. 3, 2015, 9:30 a.m.

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  • April 4, 2016, 2:36 p.m.

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Kratochvil, Jan; Linde, Andrei; Linder, Eric V. & Shmakova, Marina. Testing the cosmological constant as a candidate for dark energy, article, December 3, 2003; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc786068/: accessed July 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.