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researcher

Fumiya Okamatsu

6 papers hereh-index 210 citations5 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author4
  • middle author2

Across the 6 of 6 papers where every author was matched, so the position is known.

fields
  • astro-ph.CO5
  • gr-qc1

identity via Semantic Scholar / OpenAlex

activity
20212026
most citedH0​ tension without CMB data: beyond the ΛCDM

14 citations · 15 across the 5 of their papers we have counts for

collaborators
Showing 2025 · astro-ph.COShow all

1 paper · 2 filters

astro-ph.CO2025

EFT of Dark Energy with Cosmic Chronometers: Reconstructing Background EFT Functions

Fumiya Okamatsu, Kazufumi Takahashi

The effective field theory (EFT) of dark energy provides a model-independent framework for studying cosmology within scalar-tensor theories. In this work, we explore how the time e…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.