Merging Gravitation with Thermodynamics to Understand Cosmology
Andrew P. Lundgren (Max Planck Institute for Gravitational Physics,, Hannover), Ruxandra Bondarescu (University of Zurich), Mihai Bondarescu, (Universitatea de Vest Timisoara, University of Mississippi)
TL;DR
This paper explores the universe's evolution through the lens of thermodynamics, linking gravitational dynamics with entropy principles to understand cosmic history and its ultimate fate.
Contribution
It introduces a framework merging gravitation and thermodynamics to analyze cosmological evolution and the universe's approach to equilibrium.
Findings
Universe's matter and radiation absorbed by the horizon
Collapse of matter into black holes and their evaporation
Universe tending towards thermodynamic equilibrium
Abstract
We discuss the evolution of the universe in the context of the second law of thermodynamics from its early stages to the far future. Cosmological observations suggest that most matter and radiation will be absorbed by the cosmological horizon. On the local scale, the matter that is not ejected from our supercluster will collapse to a supermassive black hole and then slowly evaporate. The history of the universe is that of an approach to the equilibrium state of the gravitational field.
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Taxonomy
TopicsCosmology and Gravitation Theories · Black Holes and Theoretical Physics · Galaxies: Formation, Evolution, Phenomena