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researcher

Kai Murai

12 papers hereh-index 571 citations12 works total

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

author position
  • first author5
  • middle author7

Across the 12 of 12 papers where every author was matched, so the position is known.

fields
  • hep-ph11
  • astro-ph.CO1
same name
  • Kai Murai — 37 papers, h 15
  • Kai Murai — 3 papers, h 3
  • Kai Murai — 3 papers, h 2
  • Kai Murai — 2 papers, h 2

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20242026
most citedInduced Domain Walls of QCD Axion, and Gravitational Waves

15 citations · 48 across the 10 of their papers we have counts for

collaborators
Showing astro-ph.COShow all

1 paper · 1 filter

astro-ph.CO2025★ 11 cited

Primordial Black Hole Formation via Inverted Bubble Collapse

Kai Murai, Kodai Sakurai, Fuminobu Takahashi

We propose a novel mechanism of primordial black hole (PBH) formation through inverted bubble collapse. In this scenario, bubbles nucleate sparsely in an incomplete first-order pha…

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