Dark energy in standard cosmology
DOI:
https://doi.org/10.15381/rif.v24i2.20359Keywords:
Cosmology, dark energy, UniverseAbstract
A revision of the standard model of cosmology is presented with an emphasis on the Friedmann equation.A summary of the evidence for the accelerated expansion of the universe is shown; In order to explain
such an acceleration in expansion, the characteristics of some dark energy models such as the
cosmological constant, the quintessence, the K-essence and the Chaplygin gas are described and reviewed.
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Copyright (c) 2021 Fulgencio Villegas Silva
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