387 citations · 1.4k across the 23 of their papers we have counts for
Showing 2003 · astro-phShow all
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astro-ph2003
Is Cosmic Speed-Up Due to New Gravitational Physics?
Sean M. Carroll, Vikram Duvvuri, Mark Trodden +1
We show that cosmic acceleration can arise due to very tiny corrections to the usual gravitational action of General Relativity of the form , with . This eliminates the n…
astro-ph2003
Running of the Scalar Spectral Index from Inflationary Models
Daniel J. H. Chung, Gary Shiu, Mark Trodden
The scalar spectral index n is an important parameter describing the nature of primordial density perturbations. Recent data, including that from the WMAP satellite, shows some evi…