Ultra slow-roll inflation and the non-Gaussianity consistency relation J Martin, H Motohashi, T Suyama
Physical Review D—Particles, Fields, Gravitation, and Cosmology 87 (2), 023514, 2013
357 2013 Primordial black holes and slow-roll violation H Motohashi, W Hu
Physical Review D 96 (6), 063503, 2017
300 2017 Inflation with a constant rate of roll H Motohashi, AA Starobinsky, J Yokoyama
Journal of Cosmology and Astroparticle Physics 2015 (09), 018, 2015
274 2015 Black hole perturbation in the most general scalar-tensor theory with second-order field equations. II. The even-parity sector T Kobayashi, H Motohashi, T Suyama
Physical Review D 89 (8), 084042, 2014
217 2014 Healthy degenerate theories with higher derivatives H Motohashi, K Noui, T Suyama, M Yamaguchi, D Langlois
Journal of Cosmology and Astroparticle Physics 2016 (07), 033, 2016
189 2016 Third order equations of motion and the Ostrogradsky instability H Motohashi, T Suyama
Physical Review D 91 (8), 085009, 2015
170 2015 Primordial black holes and local non-Gaussianity in canonical inflation S Passaglia, W Hu, H Motohashi
Physical Review D 99 (4), 043536, 2019
164 2019 Black hole perturbation in the most general scalar-tensor theory with second-order field equations: The odd-parity sector T Kobayashi, H Motohashi, T Suyama
Physical Review D—Particles, Fields, Gravitation, and Cosmology 85 (8), 084025, 2012
154 2012 f (R ) constant-roll inflationH Motohashi, AA Starobinsky
The European Physical Journal C 77, 1-8, 2017
113 2017 Constant-roll inflation: confrontation with recent observational data H Motohashi, AA Starobinsky
Europhysics Letters 117 (3), 39001, 2017
101 2017 Phantom Boundary Crossing and Anomalous Growth Index of Fluctuations in Viable f (R ) Models of Cosmic Acceleration H Motohashi, AA Starobinsky, J Yokoyama
Progress of Theoretical Physics 123 (5), 887-902, 2010
96 2010 Cosmology Based on H Motohashi, AA Starobinsky, J Yokoyama
Physical Review Letters 110 (12), 121302, 2013
93 2013 Constant roll and primordial black holes H Motohashi, S Mukohyama, M Oliosi
Journal of Cosmology and Astroparticle Physics 2020 (03), 002, 2020
76 2020 Ghost-free theories with arbitrary higher-order time derivatives H Motohashi, T Suyama, M Yamaguchi
Journal of High Energy Physics 2018 (6), 1-29, 2018
72 2018 Exact black hole solutions in shift-symmetric quadratic degenerate higher-order scalar-tensor theories H Motohashi, M Minamitsuji
Physical Review D 99 (6), 064040, 2019
69 2019 Consistency relation for H Motohashi
Physical Review D 91 (6), 064016, 2015
68 2015 Analytic solution for matter density perturbations in a class of viable cosmological f (R) models H Motohashi, AA Starobinsky, JI Yokoyama
International Journal of Modern Physics D 18 (11), 1731-1740, 2009
67 2009 Fundamental theorem on gauge fixing at the action level H Motohashi, T Suyama, K Takahashi
Physical Review D 94 (12), 124021, 2016
66 2016 Linear stability analysis of hairy black holes in quadratic degenerate higher-order scalar-tensor theories: Odd-parity perturbations K Takahashi, H Motohashi, M Minamitsuji
Physical Review D 100 (2), 024041, 2019
61 2019 Reheating after H Motohashi, A Nishizawa
Physical Review D—Particles, Fields, Gravitation, and Cosmology 86 (8), 083514, 2012
61 2012 
Teruaki SuyamaTokyo Institute of TechnologyVerified email at phys.titech.ac.jp
