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researcher

Keita Fukushima

11 papers hereh-index 6160 citations21 works total

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

author position
  • first author2
  • middle author8
  • last author1

Across the 11 of 11 papers where every author was matched, so the position is known.

fields
  • astro-ph.GA8
  • astro-ph.CO3

identity via Semantic Scholar / OpenAlex

activity
20222025
most citedEMPRESS. VIII. A New Determination of Primordial He Abundance with Extremely Metal-Poor Galaxies: A Suggestion of the Lepton Asymmetry and Implications for the Hubble Tension

104 citations · 127 across the 11 of their papers we have counts for

collaborators
Showing 2025 · astro-ph.COShow all

2 papers · 2 filters

astro-ph.CO2025

Cosmic Himalayas in CROCODILE : Probing the Extreme Quasar Overdensities by Count-in-Cells analysis and Nearest Neighbor Distribution

Yuto Kuwayama, Yongming Liang, Kentaro Nagamine +7

The recently reported Cosmic Himalayas (CH) -- an extreme quasar overdensity at z~2 -- poses an apparent challenge to the Lambda CDM framework, with a reported significance of 16.9…

astro-ph.CO2025

Probing the Cosmic Baryon Distribution and the Impact of Active Galactic Nuclei Feedback with Fast Radio Bursts in CROCODILE Simulation

Zhao Joseph Zhang, Kentaro Nagamine, Yuri Oku +6

We investigate the Missing Baryon problem using Fast Radio Bursts (FRBs) to trace cosmic baryons. Our CROCODILE simulations, performed with the GADGET3/4-OSAKA smoothed particle hy…

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