I propose a phenomenological model for the decay of black holes near
Planck mass. The decay takes place via a quantum state between general
relativity and a grand unified field theory like SO(10). This group is favored
also by a no-scale SUGRA GUT model for Starobinsky inflation by other authors.
Aulakh, C.S., Bajc, B., Melfo, A., Senjanovic, G. and
Vissani, F. (2004)The Minimal Supersymmetric Grand Unified Theory. Physics Letters B, 588, 196-202. http://dx.doi.org/10.1016/j.physletb.2004.03.031
Bajc, B., Melfo, A., Senjanovic, G. and
Vissani, F. (2004) Minimal
Supersymmetric Grand Unified Theory: Symmetry Breaking and the Particle
Spectrum. Physical Review D, 70, 035007. http://dx.doi.org/10.1103/PhysRevD.70.035007