L. Senatore

Publications126
h-index52
Citations8,415
Highly Influential Citations356
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The Effective Field Theory of Inflation
We study the effective field theory of inflation, i.e. the most general theory describing the fluctuations around a quasi de Sitter background, in the case of single field models. The scalar mode can…
Starting the Universe: Stable Violation of the Null Energy Condition and Non-standard Cosmologies
We present a consistent effective theory that violates the null energy condition (NEC) without developing any instabilities or other pathological features. The model is the ghost condensate with the…
On loops in inflation
We study loop corrections to correlation functions of inflationary perturbations. Previous calculations have found that in certain theories the two-point function can have a logarithmic running of…
The effective field theory of cosmological large scale structures
A bstractLarge scale structure surveys will likely become the next leading cosmological probe. In our universe, matter perturbations are large on short distances and small at long scales, i.e.…
Limits on non-Gaussianities from WMAP data
We develop a method for constraining the level of non-Gaussianity of density perturbations when the three-point function is of the 'equilateral' type. Departures from Gaussianity of this form are…
CMBPol Mission Concept Study Probing Ination with CMB Polarization
We summarize the utility of precise cosmic microwave background (CMB) polarization measurements as probes of the physics of ination. We focus on the prospects for using CMB measurements
Cosmological non-linearities as an effective fluid
The universe is smooth on large scales but very inhomogeneous on small scales. Why is the spacetime on large scales modeled to a good approximation by the Friedmann equations? Are we sure that…
Non-Gaussianities in single field inflation and their optimal limits from the WMAP 5-year data
Using the recently developed effective field theory of inflation, we argue that the size and the shape of the non-Gaussianities generated by single-field inflation are generically well described by…
The Phase Transition to Slow-roll Eternal Inflation
For slow-roll inflation we study the phase transition to the eternal regime. Starting from a finite inflationary volume, we consider the volume of the universe at reheating as order parameter. We…
Trapped Inflation
We analyze a distinctive mechanism for inflation in which particle production slows down a scalar field on a steep potential, and show how it descends from angular moduli in string compactifications.…
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