Brick walls for black holes
- 1 June 1992
- journal article
- Published by IOP Publishing in Classical and Quantum Gravity
- Vol. 9 (6) , 1487-1494
- https://doi.org/10.1088/0264-9381/9/6/006
Abstract
The authors examine 't Hooft's prescription (1985) for cutting off eigenmodes of particle wavefunctions in the vicinity of black hole event horizons in N dimensions. They find for any N>3 that the cutoff occurs as a consequence of the causal structure of spacetime independently of the strength of the source, in agreement with the four-dimensional case. They separately discuss the special case N=2, showing why in this case the cutoff depends on the strength of the source.Keywords
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