On Gravitational Entropy of de Sitter Universe

Abstract

The paper deals with the calculation of the gravitational entropy in the context of teleparallel gravity for de Sitter space-time. In such a theory it is possible to define gravitational energy and pressure, thus we use those expressions to construct the gravitational entropy. We interpret the cosmological constant as the temperature and write the first law of thermodynamics. In the limit $\Lambda \ll 1$ we find that the entropy is proportional to volume and $\Delta S\ge 0$.

References in corpus (5)

• On reference frames in spacetime and gravitational energy in freely falling frames
• The Gravitational Energy Problem for Cosmological Models in Teleparallel Gravity
• Natural Cutoffs via Compact Symplectic Manifolds
• Gravitational pressure on event horizons and thermodynamics in the teleparallel framework
• Ghost inflation and de Sitter entropy

Cited by in corpus (4)

• Black holes and Boyle's law -- the thermodynamics of the cosmological constant
• Lorentz violation with an invariant minimum speed as foundation of the tachyonic inflation within a Machian scenario
• Deformed Special Relativity with an invariant minimum speed as an explanation of the cosmological constant
• A brief review of a modified relativity that explains cosmological constant