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5 papers · 2 filters
Quantum Mechanics of a Point Particle in 2+1 Dimensional Gravity
Hans-Juergen Matschull, Max Welling
We study the phase space structure and the quantization of a pointlike particle in 2+1 dimensional gravity. By adding boundary terms to the first order Einstein Hilbert action, and…
Non-Commutative Black Hole Algebra and String Theory from Gravity
S. de Haro
We generalize the action found by 't Hooft, which describes the gravitational interaction between ingoing and outgoing particles in the neighbourhood of a black hole. The effect of…
The self-screening Hawking atmosphere
G. 't Hooft
A model is proposed in which the Hawking particles emitted by a black hole are treated as an envelope of matter that obeys an equation of state, and acts as a source in Einstein's…
Winding Solutions for the two Particle System in 2+1 Gravity
M. Welling
Using a PASCAL program to follow the evolution of two gravitating particles in 2+1 dimensions we find solutions in which the particles wind around one another indefinitely. As thei…
Two particle Quantummechanics in 2+1 Gravity using Non Commuting Coordinates
M. Welling
We find that the momentum conjugate to the relative distance between two gravitating particles in their center of mass frame is a hyperbolic angle. This fact strongly suggests that…