Mathematics – Logic
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21721404b&link_type=abstract
American Astronomical Society, AAS Meeting #217, #214.04; Bulletin of the American Astronomical Society, Vol. 43, 2011
Mathematics
Logic
Scientific paper
The standard model of cosmology, L CDM is a minimal model consistent with all currently available cosmological data. Consequently, studying deviations from the observable predictions of this model to constrain possible extensions to this minimal model is a prime objective of current cosmological efforts. Accordingly, detailed surveys are being conducted and planned to elucidate the properties of the directly unobserved "dark" components by studying their gravitational effects using well known techniques involving Type Ia supernovae, gravitational lensing or the distribution of galaxies and galaxy clusters. Similarly, the physics of the early universe and the primordial fluctuations is also being probed by extremely sensitive CMB studies.
Despite the unprecedented precision levels of these surveys, the objectives are extremely challenging due to inherent uncertainties in the procedure as well as numerous possible extensions to the minimal model. Therefore, it is desirable to use the data to constrain extensions in more ways in addition to the well established techniques. We offer novel methods of additionally utilizing large scale structure data or CMB data to address this challenge.
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