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Dynamical Cosmological Constant inR3Gravity

✍ Scribed by Zare, Nasser; Fathi, Mohsen

Book ID
127136097
Publisher
Springer
Year
2014
Tongue
English
Weight
246 KB
Volume
54
Category
Article
ISSN
0020-7748

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## Abstract The experimental evidence that the equation of state (EoS) of the dark energy (DE) could be evolving with time, suggests that the Λ‐term in the gravity action should rather be an effective quantity Ξ›~eff~(t) involving new dynamical terms X(t). Remarkably, a class of these Ξ›XCDM models c