The Imprint of Dark Energy

Details The Imprint of Dark Energy The Imprint of Dark Energy

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aps..apru12007c&link_type=abstract

American Physical Society, April Meeting, 2003, April 5-8, 2003 Philadelphia, Pennsylvania, MEETING ID: APR03, abstract #U12.007

Computer Science

Sound

Scientific paper

Quintessence is a time-varying dark energy component that may account for the accelerated expansion of the universe. In this talk, I will describe how the equation of state and sound speed of the quintessence imprints features on the cosmic microwave background and large scale power spectrum. Observation of these features could be useful in discriminating amongst dark energy models.

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