Peter John Adshead

20082019
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Research Output 2008 2019

  • 34 Article
  • 1 Conference contribution
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

Probing inflation with CMB polarization

Baumann, D., Jackson, M. G., Adshead, P., Amblard, A., Ashoorioon, A., Bartolo, N., Bean, R., Beltrán, M., Bernardis, F. D., Bird, S., Chen, X., Chung, D. J. H., Colombo, L., Cooray, A., Creminelli, P., Dodelson, S., Dunkley, J., Dvorkin, C., Easther, R., Finelli, F. & 39 others, Flauger, R., Hertzberg, M. P., Jones-Smith, K., Kachru, S., Kadota, K., Khoury, J., Kinney, W. H., Komatsu, E., Krauss, L. M., Lesgourgues, J., Liddle, A., Liguori, M., Lim, E., Linde, A., Matarrese, S., Mathur, H., McAllister, L., Melchiorri, A., Nicolis, A., Pagano, L., Peiris, H. V., Peloso, M., Pogosian, L., Pierpaoli, E., Riotto, A., Seljak, U., Senatore, L., Shandera, S., Silverstein, E., Smith, T., Vaudrevange, P., Verde, L., Wandelt, B., Wands, D., Watson, S., Wyman, M., Yadav, A., Valkenburg, W. & Zaldarriaga, M., Jan 1 2009, CMB Polarization Workshop: Theory and Foregrounds - CMBPol Mission Concept Study. American Institute of Physics Inc., p. 10-120 111 p. (AIP Conference Proceedings; vol. 1141).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

microwaves
polarization
physics
forecasting
probes
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