29.3k citations
- Scuola Internazionale Superiore di Studi AvanzatiIT60 papers
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astro-ph.CO2009
The Interacting and Non-constant Cosmological Constant
Murli Manohar Verma
We propose a time-varying cosmological constant with a fixed equation of state, which evolves mainly through its interaction with the background during most of the long history of…
astro-ph.CO2009★ 66 cited
Sachs-Wolfe at second order: the CMB bispectrum on large angular scales
Lotfi Boubekeur, Paolo Creminelli, Guido D'Amico +2
We calculate the Cosmic Microwave Background anisotropy bispectrum on large angular scales in the absence of primordial non-Gaussianities, assuming exact matter dominance and exten…