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researcher

H. A. S. Costa

5 papers hereh-index 443 citations6 works total

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

author position
  • first author1
  • last author4

Across the 5 of 5 papers where every author was matched, so the position is known.

fields
  • hep-th3
  • gr-qc1
  • quant-ph1
same name
  • H. A. S. Costa — 2 papers, h 1

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
20202026
most citedDispersive vacuum as a decoherence amplifier of an Unruh-DeWitt detector

8 citations · 14 across the 4 of their papers we have counts for

collaborators
Showing 2020Show all

1 paper · 1 filter

hep-th2020

Alice and Bob in an anisotropic expanding spacetime

Helder A. S. Costa, Paulo R. S. Carvalho

We investigate a quantum teleportation process between two comoving observers Alice and Bob in an anisotropic expanding spacetime. In this model, we calculate the fidelity of telep…

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