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Dark Energy Problem, Physics of Early Universe and Some New Approaches in Gravity

National Centre for Particle and High Energy Physics, Bogdanovich Street 153, Minsk 220040, Belarus
Entropy 2012, 14(11), 2143-2156; https://doi.org/10.3390/e14112143
Received: 7 September 2012 / Revised: 19 October 2012 / Accepted: 29 October 2012 / Published: 2 November 2012
(This article belongs to the Special Issue Modified Gravity: From Black Holes Entropy to Current Cosmology)
The dark energy problem is studied based on the approach associated with the cosmological term in General Relativity that is considered as a dynamic quantity. It is shown that a quantum field theory of the Early Universe (Planck scales) and its limiting transition at low energy play a significant role. Connection of this problem with Verlinde’s new (entropic) approach to gravity is revealed within the frame of such statement as well as the Generalized Uncertainty Principle (GUP) and Extended Uncertainty Principle (EUP). The implications from the obtained results are presented, and a more rigorous statement of the Concordance Problem in cosmology is treated. View Full-Text
Keywords: dark energy; deformation; entropic force; Planck scale dark energy; deformation; entropic force; Planck scale
MDPI and ACS Style

Shalyt-Margolin, A. Dark Energy Problem, Physics of Early Universe and Some New Approaches in Gravity. Entropy 2012, 14, 2143-2156.

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