Black holes and elementary particles

By attributing an intrinsic quantum friction coefficient to particles, these can be defined to have an internal temperature which is expressed in terms of h (Planck constant), k (Boltzmann constant) and m (mass), much in the same way as the Hawking's temperature of a black hole does. Black holes are, therefore, considered as ''elementary'' particles in the gravitational universe, and some arguments in favour of this assumption are given. (author)