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researcher

M. Calvão

25 papers hereh-index 151.1k citations44 works total

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

author position
  • first author2
  • middle author15
  • last author7

Across the 24 of 25 papers where every author was matched, so the position is known.

fields
  • gr-qc13
  • astro-ph6
  • astro-ph.CO5
  • physics.soc-ph1

identity via Semantic Scholar / OpenAlex

activity
19962025
most citedFrom cosmic deceleration to acceleration: new constraints from SN Ia and BAO/CMB

237 citations · 744 across the 25 of their papers we have counts for

collaborators
Showing 2003Show all

1 paper · 1 filter

astro-ph2003★ 75 cited

Entropy perturbations in quartessence Chaplygin models

R. R. R. Reis, I. Waga, M. O. Calvao +1

We show that entropy perturbations can eliminate instabilities and oscillations, in the mass power spectrum of the quartessence Chaplygin models. Our results enlarge the current pa…

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