1.8k citations
- Seoul National UniversityKR98 papers
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Showing 2011 · astro-ph.COShow all
3 papers · 2 filters
astro-ph.CO2011★ 102 cited
Limits on Dark Radiation, Early Dark Energy, and Relativistic Degrees of Freedom
Erminia Calabrese, Dragan Huterer, Eric V. Linder +2
Recent cosmological data analyses hint at the presence of an extra relativistic energy component in the early universe. This component is often parametrized as an excess of the eff…
astro-ph.CO2011★ 77 cited
A note on the role of the boundary terms for the non-Gaussianity in general k-inflation
Frederico Arroja, Takahiro Tanaka
In this short note we clarify the role of the boundary terms in the calculation of the leading order tree-level bispectrum in a fairly general minimally coupled single field inflat…
astro-ph.CO2011★ 9 cited
Correlated Supernova Systematics and Ground Based Surveys
Alex G. Kim, Eric V. Linder
Supernova distances provide a direct probe of cosmic acceleration, constraining dark energy. This leverage increases with survey redshift depth at a rate bounded by the systematic…