The GEM force is the sum of the gravitational and EM forces.
GEM is only gravitational if q is zero.
The GEM force approaches the Lorentz force if the mass charge is small
compared to the
fundamental electric charge
(,
for n quanta of charges). For 1 electron:
GEM is only gravitational if q is zero.
,
for n quanta of charges). For 1 electron:
