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Dr John McDonald

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  1. 2023
  2. Published

    Higgs inflation using the unstable standard model potential

    McDonald, J., 15/09/2023, In: Physical Review D. 108, 5, 055106.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  3. Published

    Leptogenesis via inflaton mass terms in nonminimally coupled inflation

    Lloyd-Stubbs, K. & McDonald, J., 15/05/2023, In: Physical Review D. 107, 10, 103511.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  4. 2022
  5. Published

    Q-balls in nonminimally coupled Palatini inflation and their implications for cosmology

    Lloyd-Stubbs, A. K. & McDonald, J., 15/05/2022, In: Physical Review D. 105, 10, 27 p., 103532.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  6. 2021
  7. Published

    Minimal approach to baryogenesis via the Affleck-Dine mechanism and inflaton mass terms

    Lloyd-Stubbs, A. & McDonald, J., 15/06/2021, In: Physical Review D. 103, 12, 6 p., 123514.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  8. Published

    Does Palatini higgs inflation conserve unitarity?

    McDonald, J., 26/04/2021, In: Journal of Cosmology and Astroparticle Physics. 2021, 4, 12 p., 069.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  9. 2020
  10. Published

    Sub-Planckian φ2 inflation in the Palatini formulation of gravity with an R2 term

    Lloyd-Stubbs, A. & McDonald, J., 16/06/2020, In: Physical Review D. 101, 12, 13 p., 123515.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  11. 2019
  12. Published

    KSVZ axion model with quasidegenerate minima: A unified model for dark matter and dark energy

    Lloyd-Stubbs, A. & McDonald, J., 15/01/2019, In: Physical Review D. 99, 2, 10 p., 023510.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  13. 2018
  14. Published

    Freeze-in dark matter from a sub-Higgs mass clockwork sector via the Higgs portal

    Kim, J. & McDonald, J., 15/12/2018, In: Physical Review D. 98, 12, 9 p., 123503.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  15. Published

    Clockwork Higgs portal model for freeze-in dark matter

    Kim, J. & McDonald, J., 24/07/2018, In: Physical Review D. 98, 2, p. 023553 8 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  16. 2017
  17. Published

    Inflaton Condensate Fragmentation: Analytical Conditions and Application to α-Attractor Models

    Kim, J. & McDonald, J., 30/06/2017, In: Physical Review D. 95, 12, 5 p., 123537.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  18. Published

    Chaotic initial conditions for nonminimally coupled inflation via a conformal factor with a zero

    Kim, J. & McDonald, J., 15/05/2017, In: Physical Review D. 95, 10, 9 p., 103501.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  19. 2016
  20. Published

    The 750 GeV resonance as non-minimally coupled inflaton: unitarity violation and why the resonance is a real singlet scalar

    McDonald, J., 10/10/2016, In: Physics Letters B. 761, p. 408-411 4 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  21. Published

    Warm dark matter via ultra-violet freeze-in: reheating temperature and non-thermal distribution for fermionic Higgs portal dark matter

    McDonald, J., 17/08/2016, In: Journal of Cosmology and Astroparticle Physics. 2016, 8, 13 p., 035.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  22. Published

    Nonminimally coupled inflation with initial conditions from a preinflation anamorphic contracting era

    McDonald, J., 12/08/2016, In: Physical Review D. 94, 4, 5 p., 043514.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  23. 2015
  24. Published

    WIMP dark matter and unitarity-conserving inflation via a gauge singlet scalar

    Kahlhoefer, F. & McDonald, J., 9/11/2015, In: Journal of Cosmology and Astroparticle Physics. 2015, 11, 26 p., 015.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  25. Published

    Signatures of Planck corrections in a spiralling axion inflation model

    McDonald, J., 8/05/2015, In: Journal of Cosmology and Astroparticle Physics. 5, 13 p., 014.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  26. Published

    A minimal sub-Planckian axion inflation model with large tensor-to-scalar ratio

    McDonald, J., 01/2015, In: Journal of Cosmology and Astroparticle Physics. 2015, 1, 8 p., 018.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  27. 2014
  28. Published

    Negative running of the spectral index, hemispherical asymmetry and the consistency of Planck with large r

    McDonald, J., 11/2014, In: Journal of Cosmology and Astroparticle Physics. 2014, 11, 9 p., 012.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  29. Published

    Sub-Planckian two-field inflation consistent with the Lyth bound

    McDonald, J., 09/2014, In: Journal of Cosmology and Astroparticle Physics. 2014, 9, 9 p., 027.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  30. Published

    Hemispherical power asymmetry from a space-dependent component of the adiabatic power spectrum

    McDonald, J., 26/06/2014, In: Physical Review D. 89, 12, 5 p., 127303.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  31. 2013
  32. Published

    Hemispherical power asymmetry from scale-dependent modulated reheating

    McDonald, J., 19/11/2013, In: Journal of Cosmology and Astroparticle Physics. 2013, 11, 15 p., 041.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  33. Published

    Dark matter gravitinos and baryons via Q-ball decay in the gauge-mediated MSSM

    Doddato, F. & McDonald, J., 3/07/2013, In: Journal of Cosmology and Astroparticle Physics. 2013, 7, 24 p., 004.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  34. Published

    Isocurvature and curvaton perturbations with red power spectrum and large hemispherical asymmetry

    McDonald, J., 07/2013, In: Journal of Cosmology and Astroparticle Physics. 2013, 7, 16 p., 043.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  35. Published

    Explaining the dark energy, baryon and dark matter coincidence via domain-dependent random densities

    McDonald, J., 05/2013, In: Journal of Cosmology and Astroparticle Physics. 2013, 5, 15 p., 019.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  36. Published

    Baryon-to-dark matter ratio from random angular fields

    McDonald, J., 01/2013, In: Journal of Cosmology and Astroparticle Physics. 2013, 1, 12 p., 025.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

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