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14 October 2024

» arxiv » astro-ph/0510194

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Dark Energy Studies: Challenges to Computational Cosmology
James Annis ; Francisco J. Castander ; August E. Evrard ; Joshua A. Frieman ; Enrique Gaztanaga ; Bhuvnesh Jain ; Andrey V. Kravtsov ; Ofer Lahav ; Huan Lin ; Joseph Mohr ; Paul M. Ricker ; Albert Stebbins ; Risa H. Wechsler ; David H. Weinberg ; Jochen Weller ;
Date:	6 Oct 2005
Affiliation:	theory members of the DES collaboration
Abstract:	The ability to test the nature of dark mass-energy components in the universe through large-scale structure studies hinges on accurate predictions of sky survey expectations within a given world model. Numerical simulations predict key survey signatures with varying degrees of confidence, limited mainly by the complex astrophysics of galaxy formation. As surveys grow in size and scale, systematic uncertainties in theoretical modeling can become dominant. Dark energy studies will challenge the computational cosmology community to critically assess current techniques, develop new approaches to maximize accuracy, and establish new tools and practices to efficiently employ globally networked computing resources.
Source:	arXiv, astro-ph/0510194
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