Assessing observational constraints on dark energy
Princeton University · Harvard University
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Abstract
Observational constraints on time-varying dark energy (e.g., quintessence) are commonly presented on a w0-wa plot that assumes the equation of state of dark energy strictly satisfies w(z)=w0+waz/(1+z) as a function of the redshift z. Recent observations favor a sector of the w0-wa plane in which w0>−1 and w0+wa
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Authors
2Topics & keywords
Topics
Keywords
- Quintessence
- Dark energy
- Physics
- Equation of state
- Redshift
- Observational study
- Astrophysics
- Statistics
UN Sustainable Development Goals
- Climate action
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