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J. Koga

24 papers hereh-index 13543 citations58 works total

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

author position
  • sole author4
  • first author9
  • middle author8
  • last author3

Across the 24 of 24 papers where every author was matched, so the position is known.

fields
  • gr-qc8
  • hep-th7
  • nucl-ex4
  • physics.ins-det3
  • hep-ex1
  • quant-ph1
same name
  • J. Koga — 44 papers, h 34
  • J. Koga — 5 papers, h 3
  • J. Koga — 5 papers, h 8
  • J. Koga — 2 papers, h 8

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
19942022
most citedAsymptotic symmetries on Killing horizons

95 citations · 570 across the 24 of their papers we have counts for

collaborators
Showing 2002Show all

1 paper · 1 filter

gr-qc2002★ 10 cited

Uniqueness of Self-Similar Asymptotically Friedmann-Robertson-Walker Spacetime in Brans-Dicke theory

Hideki Maeda, Jun-ichirou Koga, Kei-ichi Maeda

We investigate spherically symmetric self-similar solutions in Brans-Dicke theory. Assuming a perfect fluid with the equation of state p=(γ−1)μ(1≤γ<2), we show that there are…

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