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researcher

J. A. Defreitaspacheco

46 papers hereh-index 191.1k citations98 works total

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

author position
  • sole author2
  • first author8
  • middle author11
  • last author21

Across the 42 of 46 papers where every author was matched, so the position is known.

fields
  • astro-ph21
  • astro-ph.CO10
  • gr-qc9
  • astro-ph.HE4
  • astro-ph.GA2

identity via Semantic Scholar / OpenAlex

activity
19942024
most citedHubble flow around Fornax cluster of galaxies

135 citations · 984 across the 46 of their papers we have counts for

collaborators
Showing 2014Show all

1 paper · 1 filter

astro-ph.CO2014★ 37 cited

Is the continuous matter creation cosmology an alternative to ΛCDM?

J. C. Fabris, J. A. de Freitas Pacheco, O. F. Piattella

The matter creation cosmology is revisited, including the evolution of baryons and dark matter particles. The creation process affects only dark matter and not baryons. The dynamic…

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