384 citations · 4.8k across the 89 of their papers we have counts for
32 papers · 1 filter
Tensors, non-Gaussianities, and the future of potential reconstruction
Brian A. Powell, Konstantinos Tzirakis, William H. Kinney
We present projections for reconstruction of the inflationary potential expected from ESA's upcoming Planck Surveyor CMB mission. We focus on the effects that tensor perturbations…
CMBPol Mission Concept Study: Probing Inflation with CMB Polarization
Daniel Baumann, Mark G. Jackson, Peter Adshead +56
We summarize the utility of precise cosmic microwave background (CMB) polarization measurements as probes of the physics of inflation. We focus on the prospects for using CMB measu…
Non-canonical generalizations of slow-roll inflation models
Konstantinos Tzirakis, William H. Kinney
We consider non-canonical generalizations of two classes of simple single-field inflation models. First, we study the non-canonical version of "ultra-slow roll" inflation, which is…
Latest inflation model constraints from cosmic microwave background measurements
William H. Kinney, Edward W. Kolb, Alessandro Melchiorri +1
In this addendum to Phys.Rev. D74 (2006) 023502, we present an update of cosmological constraints on single-field inflation in light of the Wilkinson Microwave Ansiotropy Probe sat…
The Phantom Bounce: A New Proposal for an Oscillating Cosmology
Katherine Freese, Matthew G. Brown, William H. Kinney
An oscillating universe cycles through a series of expansions and contractions. We propose a model in which ``phantom'' energy with a supernegative pressure () grows rapid…
Inflation after WMAP3
William H. Kinney
I discuss the current status of inflationary cosmology in light of the recent WMAP 3-year data release. The basic predictions of inflation are all supported by the data. Inflation…
Limits on primordial power spectrum resolution: An inflationary flow analysis
Brian A. Powell, William H. Kinney
We investigate the ability of current CMB data to reliably constrain the form of the primordial power spectrum generated during inflation. We attempt to identify more exotic power…
Slow roll in simple non-canonical inflation
Gabriela Barenboim, William H. Kinney
We consider inflation using a class of non-canonical Lagrangians for which the modification to the kinetic term depends on the field, but not its derivatives. We generalize the sta…
Inflation over the hill
Konstantinos Tzirakis, William H. Kinney
We calculate the power spectrum of curvature perturbations when the inflaton field is rolling over the top of a local maximum of a potential. We show that the evolution of the fiel…
The pre-inflationary vacuum in the cosmic microwave background
Brian A. Powell, William H. Kinney
We consider the effects on the primordial power spectrum of a period of radiation-dominated expansion prior to the inflationary era. If inflation lasts a total of only 60 e-folds o…
Understanding selection effects in observed samples of cataclysmic variables
Magaretha L. Pretorius, Christian Knigge, Ulrich Kolb
Large differences between the properties of the known sample of cataclysmic variable stars (CVs) and the predictions of the theory of binary star evolution have long been recognise…
Inflation model constraints from the Wilkinson Microwave Anisotropy Probe three-year data
William H. Kinney, Edward W. Kolb, Alessandro Melchiorri +1
We extract parameters relevant for distinguishing among single-field inflation models from the Wilkinson Microwave Anisotropy Probe (WMAP) three-year data set, and also from WMAP i…
The Lyth Bound and the End of Inflation
Richard Easther, William H. Kinney, Brian A. Powell
We derive an extended version of the well-known Lyth Bound on the total variation of the inflaton field, incorporating higher order corrections in slow roll. We connect the field v…
Theoretical Uncertainties in Inflationary Predictions
William H. Kinney, Antonio Riotto
With present and future observations becoming of higher and higher quality, it is timely and necessary to investigate the most significant theoretical uncertainties in the predicti…
Boundary Effective Field Theory and Trans-Planckian Perturbations: Astrophysical Implications
Richard Easther, William H. Kinney, Hiranya Peiris
We contrast two approaches to calculating trans-Planckian corrections to the inflationary perturbation spectrum: the New Physics Hypersurface [NPH] model, in which modes are normal…
Observing Trans-Planckian Signatures in the Cosmic Microwave Background
Richard Easther, William H Kinney, Hiranya Peiris
We examine the constraints cosmological observations can place on any trans-Planckian corrections to the primordial spectrum of perturbations underlying the anisotropies in the Cos…
Inflation After WMAP
William H. Kinney
I examine the status of inflationary cosmology in light of the first-year data from the WMAP satellite, focusing on the simplest models of inflation: those driven by a single scala…
The Phantom Bounce: A New Oscillating Cosmology
Matthew G. Brown, Katherine Freese, William H. Kinney
An oscillating universe cycles through a series of expansions and contractions. We propose a model in which ``phantom'' energy with grows rapidly and dominates the late-ti…
The energy scale of inflation: is the hunt for the primordial B-mode a waste of time?
William H. Kinney
Recent theoretical results indicate that the detection of primordial gravity waves from inflation may be a hopeless task. First, foregrounds from lensing put a strict lower limit o…
Cosmology, inflation, and the physics of nothing
William H. Kinney
These four lectures cover four topics in modern cosmology: the cosmological constant, the cosmic microwave background, inflation, and cosmology as a probe of physics at the Planck…
Monte Carlo reconstruction of the inflationary potential
Richard Easther, William H. Kinney
We present Monte Carlo reconstruction, a new method for ``inverting'' observational data to constrain the form of the scalar field potential responsible for inflation. This stochas…
Inflation: flow, fixed points and observables to arbitrary order in slow roll
William H. Kinney
I generalize the inflationary flow equations of Hoffman and Turner to arbitrary order in slow roll. This makes it possible to study the predictions of slow roll inflation in the fu…
The Ultimate Fate of Life in an Accelerating Universe
Katherine Freese, William H. Kinney
The ultimate fate of life in a universe with accelerated expansion is considered. Previous work showed that life cannot go on indefinitely in a universe dominated by a cosmological…
Short Distance Physics and the Consistency Relation for Scalar and Tensor Fluctuations in the Inflationary Universe
Lam Hui, William H. Kinney
Recent discussions suggest the possibility that short distance physics can significantly modify the behavior of quantum fluctuations in the inflationary universe, and alter the sta…