Reconstructing the Dark Energy Equation of State with Varying Alpha

Details Reconstructing the Dark Energy Equation of State with Varying Alpha Reconstructing the Dark Energy Equation of State with Varying Alpha

Nov 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aipc..736..135n&link_type=abstract

PHI IN THE SKY: The Quest for Cosmological Scalar Fields. AIP Conference Proceedings, Volume 736, pp. 135-140 (2004).

Mathematics

Logic

Dark Matter, Thermodynamic Processes, Conduction, Convection, Equations Of State, Observational Cosmology

Scientific paper

We discuss the possibility of reconstructing the dark energy equation of state from variations in the fine-structure constant for a class of models where the quintessence field is non-minimally coupled to the electromagnetic field. We find that variations in alpha would need to be measured to within an accuracy of at least 5 × 10-7 to obtain a reconstructed equation of state with less than a twenty percent deviation from the true equation of state between redshifts 0 and 3.

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