197 citations
- University of AmsterdamNL33 papers
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- The University of Texas at AustinUS2 papers
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- California Institute of TechnologyUS1 paper
- Delft University of TechnologyNL1 paper
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gr-qc2008★ 8 cited
Supermassive Black Holes as Giant Bose-Einstein Condensates
Theo M. Nieuwenhuizen
The Schwarzschild metric has a divergent energy density at the horizon, which motivates a new approach to black holes. If matter is spread uniformly throughout the interior of a su…
gr-qc2008
Exact solution for the interior of a black hole
Theo M. Nieuwenhuizen
Within the Relativistic Theory of Gravitation it is shown that the equation of state holds near the center of a black hole. For the stiff equation of state the inte…
gr-qc2007★ 5 cited
Einstein vs Maxwell: Is gravitation a curvature of space, a field in flat space, or both?
Theo M. Nieuwenhuizen
Starting with a field theoretic approach in Minkowski space, the gravitational energy momentum tensor is derived from the Einstein equations in a straightforward manner. This allow…