Publications
refereed papers:
M. Kalomenopoulos, Sadegh Khochfar, Jonathan Gair, and S.Arai "Mapping the inhomogeneous Universe with standard sirens: degeneracy between inhomogeneity and modified gravity theories" Mon.Not.Roy.Astron.Soc. 503 (2021)
S.Arai, P.Karmakar, and A.Nishizawa "Cosmological evolution of viable models in the generalized scalar-tensor theories" Phys.Rev.D 102 (2020) 2, 024003
A.Nishizawa and S.Arai, "Generalized framework for testing gravity with gravitational waves propagation III:Future prospect" PRD.99.104038 (2019)
S.Arai, S.Sibiryakov, and Y.Urakawa, "Inflationary perturbations with Lifshitz scaling universe" JCAP 1903 (2019) no.03, 034
S.Arai and A.Nishizawa, "Generalized framework for testing gravity with gravitational waves propagation II: Constraints on Horndeski theory" PRD.97.104038 (2018)
S.Arai, H.Tashiro, and D.Nitta "Test of the Einstein equivalence principle with spectral distortion of the cosmic microwave background " PRD. 94 124048 (2016)