Born-Regulated Gravity in Four Dimensions
Physics Review D
Previous work involving Born-regulated gravity theories in two dimensions is extended to four dimensions. The action we consider has two dimensionful parameters. Black hole solutions are studied for typical values of these parameters. For masses above a critical value determined in terms of these parameters, the event horizon persists. For masses below this critical value, the event horizon disappears, leaving a “bare mass,” though of course no singularity.
Feigenbaum, J. A., (1998), “Born-Regulated Gravity in Four Dimensions,” Physical Review D 58.