Peter John Adshead

20082019
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Research Output 2008 2019

  • 34 Article
  • 1 Conference contribution
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Article
2019

Reheating in two-sector cosmology

Adshead, P., Ralegankar, P. & Shelton, J., Aug 1 2019, In : Journal of High Energy Physics. 2019, 8, 151.

Research output: Contribution to journalArticle

Open Access
cosmology
sectors
heating
quantum statistics
temperature
2018

Anisotropic massive gauge-flation

Adshead, P. & Liu, A., Jul 24 2018, In : Journal of Cosmology and Astroparticle Physics. 2018, 7, 052.

Research output: Contribution to journalArticle

hair
broken symmetry
folding
expansion
symmetry

Gravitational leptogenesis, reheating, and models of neutrino mass

Adshead, P., Long, A. J. & Sfakianakis, E. I., Feb 12 2018, In : Physical Review D. 97, 4, 043511.

Research output: Contribution to journalArticle

leptons
neutrinos
heating
asymmetry
fallout

Gravitational waves from gauge preheating

Adshead, P., Giblin, J. T. & Weiner, Z. J., Aug 15 2018, In : Physical Review D. 98, 4, 043525.

Research output: Contribution to journalArticle

gravitational waves
heating
universe
antimatter
energy budgets

Phenomenology of fermion production during axion inflation

Adshead, P., Pearce, L., Peloso, M., Roberts, M. A. & Sorbo, L., Jun 11 2018, In : Journal of Cosmology and Astroparticle Physics. 2018, 6, 020.

Research output: Contribution to journalArticle

phenomenology
fermions
scalars
power spectra
perturbation

Power-counting during single-field slow-roll inflation

Adshead, P., Burgess, C. P., Holman, R. & Shandera, S., Feb 8 2018, In : Journal of Cosmology and Astroparticle Physics. 2018, 2, 016.

Research output: Contribution to journalArticle

counting
perturbation theory
delineation
gravitation
perturbation
2017

Higgsed Gauge-flation

Adshead, P. & Sfakianakis, E. I., Aug 1 2017, In : Journal of High Energy Physics. 2017, 8, 130.

Research output: Contribution to journalArticle

gravitational waves
grand unified theory
parity
sectors
textures

Non-Abelian gauge preheating

Adshead, P., Giblin, J. T. & Weiner, Z. J., Dec 15 2017, In : Physical Review D. 96, 12, 123512.

Research output: Contribution to journalArticle

scalars
heating
gauge theory
sectors
2016

Chilly dark sectors and asymmetric reheating

Adshead, P. J., Cui, Y. & Shelton, J. F., Jun 1 2016, In : Journal of High Energy Physics. 2016, 6, 16.

Research output: Contribution to journalArticle

sectors
heating
asymmetry
universe
space temperature

Higgsed Chromo-Natural Inflation

Adshead, P., Martinec, E., Sfakianakis, E. I. & Wyman, M., Dec 1 2016, In : Journal of High Energy Physics. 2016, 12, 137.

Research output: Contribution to journalArticle

gravitational waves
grand unified theory
symmetry
energy

Leptogenesis from Left-Handed Neutrino Production during Axion Inflation

Adshead, P. & Sfakianakis, E. I., Mar 2 2016, In : Physical review letters. 116, 9, 091301.

Research output: Contribution to journalArticle

neutrinos
asymmetry
mean square values
antimatter
grand unified theory

Magnetogenesis from axion inflation

Giblin, J. T., Adshead, P., Giblin, J. T., Scully, T. R. & Sfakianakis, E. I., Oct 24 2016, In : Journal of Cosmology and Astroparticle Physics. 2016, 10, 039.

Research output: Contribution to journalArticle

magnetic fields
field strength
estimates
sectors
anomalies

Magnon inflation: Slow roll with steep potentials

Adshead, P., Blas, D., Burgess, C. P., Hayman, P. & Patil, S. P., Nov 4 2016, In : Journal of Cosmology and Astroparticle Physics. 2016, 11, 009.

Research output: Contribution to journalArticle

scalars
antisymmetry
metric space
cosmology
broken symmetry
2015

Fermion production during and after axion inflation

Adshead, P. & Sfakianakis, E. I., Nov 11 2015, In : Journal of Cosmology and Astroparticle Physics. 2015, 11, 021.

Research output: Contribution to journalArticle

fermions
particle production
time measurement
oscillations

Gauge-preheating and the end of axion inflation

Adshead, P., Jr., J. T. G., Scully, T. R. & Sfakianakis, E. I., Dec 16 2015, In : Journal of Cosmology and Astroparticle Physics. 2015, 12, 034.

Research output: Contribution to journalArticle

heating
horizon
indication
time measurement
oscillations
2014

Bounds on nonadiabatic evolution in single-field inflation

Adshead, P. & Hu, W., Apr 23 2014, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 89, 8, 083531.

Research output: Contribution to journalArticle

power spectra
signal to noise ratios
acoustics
predictions

Steps to reconcile inflationary tensor and scalar spectra

Miranda, V., Hu, W. & Adshead, P., May 22 2014, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 89, 10, 101302.

Research output: Contribution to journalArticle

tensors
scalars
power spectra
polarization
multipoles
2013

Bispectrum in single-field inflation beyond slow-roll

Adshead, P., Hu, W. & Miranda, V., Jul 8 2013, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 88, 2, 023507.

Research output: Contribution to journalArticle

power spectra
triangles
oscillations
evaluation
configurations

Chern-Simons EM-flation

Martinec, E., Adshead, P. & Wyman, M., Feb 18 2013, In : Journal of High Energy Physics. 2013, 2, 027.

Research output: Contribution to journalArticle

string theory
charged particles
electromagnetic fields
signatures
interactions

Gauge fields and inflation: Chiral gravitational waves, fluctuations, and the Lyth bound

Adshead, P., Martinec, E. & Wyman, M., Jul 15 2013, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 88, 2, 021302.

Research output: Contribution to journalArticle

gravitational waves
handedness
parity
asymmetry
scalars

Perturbations in chromo-natural inflation

Adshead, P., Martinec, E. & Wyman, M., Oct 1 2013, In : Journal of High Energy Physics. 2013, 9, 087.

Research output: Contribution to journalArticle

gravitational waves
tensors
perturbation
scalars
sectors

Primordial non-Gaussianity and reionization

Lidz, A., Baxter, E. J., Adshead, P. & Dodelson, S., Jul 29 2013, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 88, 2, 023534.

Research output: Contribution to journalArticle

contamination
bubbles
time measurement
statistics
ionization
2012

Fast computation of first-order feature-bispectrum corrections

Adshead, P. & Hu, W., May 29 2012, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 85, 10, 103531.

Research output: Contribution to journalArticle

unity
power spectra
curvature
expansion
configurations

Natural inflation on a steep potential with classical non-Abelian gauge fields

Adshead, P. & Wyman, M., Jun 27 2012, In : Physical review letters. 108, 26, 261302.

Research output: Contribution to journalArticle

vacuum gages
scalars
gauge invariance
decay
tuning

Non-Gaussianity and excursion set theory: Halo bias

Adshead, P., Baxter, E. J., Dodelson, S. & Lidz, A., Sep 24 2012, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 86, 6, 063526.

Research output: Contribution to journalArticle

set theory
halos
thresholds
approximation

Non-Gaussianity from step features in the inflationary potential

Adshead, P., Dvorkin, C., Hu, W. & Lim, E. A., Jan 26 2012, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 85, 2, 023531.

Research output: Contribution to journalArticle

power spectra
curvature
nonlinearity
signatures
perturbation

Warp features in DBI inflation

Miranda, V., Hu, W. & Adshead, P., Sep 26 2012, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 86, 6, 063529.

Research output: Contribution to journalArticle

horizon
power spectra
approximation
unity
retarding
2011

Fast computation of bispectrum features with generalized slow roll

Adshead, P., Hu, W., Dvorkin, C. & Peiris, H. V., Aug 12 2011, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 84, 4, 043519.

Research output: Contribution to journalArticle

power spectra
reverse engineering
triangles
horizon
time measurement

Inflation and the scale dependent spectral index: Prospects and strategies

Adshead, P., Easther, R., Pritchard, J. & Loeb, A., Feb 1 2011, In : Journal of Cosmology and Astroparticle Physics. 2011, 2, 021.

Research output: Contribution to journalArticle

histories
probes
grand unified theory
universe
tensors
2010

Three-point statistics of cosmological stochastic gravitational waves

Adshead, P. & Lim, E. A., Jul 19 2010, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 82, 2, 024023.

Research output: Contribution to journalArticle

gravitational waves
statistics
scalars
signal to noise ratios
microwaves
2009

Cosmology with many light scalar fields: Stochastic inflation and loop corrections

Adshead, P., Easther, R. & Lim, E. A., Mar 2 2009, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 79, 6, 063504.

Research output: Contribution to journalArticle

cosmology
scalars
power spectra
universe
degrees of freedom

"in-in" formalism and cosmological perturbations

Adshead, P., Easther, R. & Lim, E. A., Oct 20 2009, In : Physical Review D - Particles, Fields, Gravitation and Cosmology. 80, 8, 083521.

Research output: Contribution to journalArticle

apexes
diagrams
formalism
perturbation
gravitational waves
2008

Constraining inflation

Adshead, P. & Easther, R., Oct 1 2008, In : Journal of Cosmology and Astroparticle Physics. 2008, 10, 047.

Research output: Contribution to journalArticle

Hamilton-Jacobi equation
microwaves
levers
forecasting
formulations

Reionization and the large-scale 21-cm cosmic microwave background cross-correlation

Adshead, P. J. & Furlanetto, S. R., Feb 1 2008, In : Monthly Notices of the Royal Astronomical Society. 384, 1, p. 291-304 14 p.

Research output: Contribution to journalArticle

cross correlation
microwaves
time measurement
radio observation
budgets