Dark matter and neutrino masses from a scale-invariant multi-Higgs portal A Karam, K Tamvakis
Physical Review D 92 (7), 075010, 2015
158 2015 Palatini inflation in models with an R2 term I Antoniadis, A Karam, A Lykkas, K Tamvakis
Journal of Cosmology and Astroparticle Physics 2018 (11), 028, 2018
121 2018 Dark matter from a classically scale-invariant S U (3) X A Karam, K Tamvakis
Physical Review D 94 (5), 055004, 2016
111 2016 Frame-dependence of higher-order inflationary observables in scalar-tensor theories A Karam, T Pappas, K Tamvakis
Physical Review D 96 (6), 064036, 2017
106 2017 Rescuing quartic and natural inflation in the Palatini formalism I Antoniadis, A Karam, A Lykkas, T Pappas, K Tamvakis
Journal of Cosmology and Astroparticle Physics 2019 (03), 005, 2019
79 2019 Constant-roll (quasi-) linear inflation A Karam, L Marzola, T Pappas, A Racioppi, K Tamvakis
Journal of Cosmology and Astroparticle Physics 2018 (05), 011, 2018
71 2018 Anatomy of single-field inflationary models for primordial black holes A Karam, N Koivunen, E Tomberg, V Vaskonen, H Veermäe
Journal of Cosmology and Astroparticle Physics 2023 (03), 013, 2023
65 2023 Nonminimal Coleman-Weinberg inflation with an R2 term A Karam, T Pappas, K Tamvakis
Journal of Cosmology and Astroparticle Physics 2019 (02), 006, 2019
61 2019 Dynamically induced Planck scale and inflation in the Palatini formulation ID Gialamas, A Karam, A Racioppi
Journal of Cosmology and Astroparticle Physics 2020 (11), 014, 2020
57 2020 Equivalence of inflationary models between the metric and Palatini formulation of scalar-tensor theories L Järv, A Karam, A Kozak, A Lykkas, A Racioppi, M Saal
Physical Review D 102 (4), 044029, 2020
48 2020 Palatini-Higgs inflation with nonminimal derivative coupling ID Gialamas, A Karam, A Lykkas, TD Pappas
Physical Review D 102 (6), 063522, 2020
47 2020 Scale-invariant quadratic gravity and inflation in the Palatini formalism ID Gialamas, A Karam, TD Pappas, VC Spanos
Physical Review D 104 (2), 023521, 2021
45 2021 Frame-invariant approach to higher-dimensional scalar-tensor gravity A Karam, A Lykkas, K Tamvakis
Physical Review D 97 (12), 124036, 2018
45 2018 Gravitational dark matter production in Palatini preheating A Karam, M Raidal, E Tomberg
Journal of Cosmology and Astroparticle Physics 2021 (03), 064, 2021
35 2021 Tachyonic preheating in Palatini R 2 inflation A Karam, E Tomberg, H Veermäe
Journal of Cosmology and Astroparticle Physics 2021 (06), 023, 2021
34 2021 Conformal model for gravitational waves and dark matter: a status update M Kierkla, A Karam, B Świeżewska
Journal of High Energy Physics 2023 (3), 1-61, 2023
30 2023 Palatini R 2 quintessential inflation K Dimopoulos, A Karam, SS López, E Tomberg
Journal of Cosmology and Astroparticle Physics 2022 (10), 076, 2022
20 2022 Single-field inflation in models with an I Antoniadis, A Karam, A Lykkas, T Pappas, K Tamvakis
arXiv preprint arXiv:1912.12757, 2019
19 2019 β-function reconstruction of Palatini inflationary attractors A Karam, S Karamitsos, M Saal
Journal of Cosmology and Astroparticle Physics 2021 (10), 068, 2021
14 2021 Modelling Quintessential Inflation in Palatini-Modified Gravity K Dimopoulos, A Karam, SS López, E Tomberg
Galaxies 10 (2), 57, 2022
13 2022 