Description of photon motion

This paper discusses a theory of the motion of photons in position space which has been called Photon Dynamics. In this theory, operators representing the density and flux density of photons are defined in terms of a pair of vector field operators, much the same way as the energy density and Poynting vector are defined in terms of the electric and magnetic fields. The operator n /sub v/ is then written as the integral of the photon density over the volume V and n /sub T/ is expressed as an integral of the photon flux density over the surface S and time interval (t,t+T). A noteworthy feature of the theory is that the photon-counting distribution p /sub T/ (n) is derived directly from the expression for the number of photons falling on the detector's surface without invoking any particular model of the photodetection process