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Pregled bibliografske jedinice broj: 279016

Časopis

Autori: Sola, J.; Štefančić, Hrvoje
Naslov: Cosmology with variable parameters and effective equation of state for dark energy
Izvornik: Journal of Physics A - Mathematical & General (0305-4470) 39 (2006); 6753-6760
Vrsta rada: članak
Ključne riječi: cosmological constant; dark energy
Sažetak:
A cosmological constant, Lambda, is the most natural candidate to explain the origin of the dark energy (DE) component in the Universe. However, due to experimental evidence that the equation of state (EOS) of the DE could be evolving with time/redshift (including the possibility that it might behave phantom-like near our time) has led theorists to emphasize that there might be a dynamical field (or some suitable combination of them) that could explain the behavior of the DE. While this is of course one possibility, here we show that there is no imperative need to invoke such dynamical fields and that a variable cosmological constant (including perhaps a variable Newton's constant too) may account in a natural way for all these features.
Projekt / tema: 0098002
Izvorni jezik: ENG
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Fizika
URL cjelovitog teksta:
Google Scholar: Cosmology with variable parameters and effective equation of state for dark energy



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