An Exploration of the Physics of Spherically Symmetric Dynamic Horizons

Details An Exploration of the Physics of Spherically Symmetric Dynamic Horizons An Exploration of the Physics of Spherically Symmetric Dynamic Horizons

2008-03-20

arxiv.org/abs/0803.3018v2

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Invited talk presented at the 2008 Annual Conference of the National Society of Black Physicists and National Society of Hispa

Scientific paper

Geometries with horizons offer insights into relationships between general relativity and quantum physics. For static spherically symmetric space-times, the event horizon is coincident with a coordinate anomaly that introduces complications in descriptions of near horizon physics. Naive introduction of dynamics using coordinates with anomalous behavior coincident with the horizon also introduces invariant singular physical content at that horizon. However, the introduction of a temporal coordinate that is non-orthogonal to spatial coordinates near the horizon, but asymptotically orthogonal, provides a dynamic description without singular physical content at the horizon itself. Penrose diagrams will be presented exhibiting temporal dependencies for accreting and evaporating black holes, and near horizon light-like trajectories will be examined. In addition, the quantum mechanics of simple quantum fields will be explored. Finally, a two-fluid cosmology will be suggested to describe dynamic coherent aspects of the universe as a whole.

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