Hawking temperature and higher order calculations

Abstract

Hawking radiation has recently been explained by using solutions of wave equations across black hole horizons in a WKB approximation. Higher order calculations using both usual and non-singular coordinates are found to change the solution for zero spin, but this change is not an alteration of the Hawking temperature. For spin 1/2, there is no correction to the simplest form of the solution.

4 pages; minor changes; comments added about fermions; comment about an 'maginary contribution included at the instance of PLB

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