GfE theory receives a thermodynamic treatment for FRW spacetimes, yielding emergent dynamical dark energy, k-temperatures and k-pressures obeying a first law, and non-decreasing entropy that recovers standard Friedmann cosmology at low energy.
Adventures in de Sitter space
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abstract
This is my contribution to the Festschrift honoring Stephen Hawking on his 60th birthday. Twenty-five years ago, Gibbons and Hawking laid out the semi-classical properties of de Sitter space. After a summary of their main results, I discuss some further quantum aspects that have since been understood. The largest de Sitter black hole displays an intriguing pattern of instabilities, which can render the boundary structure arbitrarily complicated. I review entropy bounds specific to de Sitter space and outline a few of the strategies and problems in the search for a full quantum theory of the spacetime.
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UNVERDICTED 2representative citing papers
A vacuum-decay model generates primordial curvature perturbations from spatially correlated stochastic noise rather than inflaton fluctuations, solving horizon and flatness problems with zero tensor-to-scalar ratio.
citing papers explorer
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The Thermodynamics of the Gravity from Entropy Theory
GfE theory receives a thermodynamic treatment for FRW spacetimes, yielding emergent dynamical dark energy, k-temperatures and k-pressures obeying a first law, and non-decreasing entropy that recovers standard Friedmann cosmology at low energy.
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The Noise of Vacuum
A vacuum-decay model generates primordial curvature perturbations from spatially correlated stochastic noise rather than inflaton fluctuations, solving horizon and flatness problems with zero tensor-to-scalar ratio.