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The electromagnetic fields of a long dipole working without dispersive anddissipative losses are analyzed in the frequency domains. The dipole producesradiation in bursts of duration T/2 where T is the period of oscillation. Theparameter studied in this paper is the energy, U, dissipated in a single burstof radiation of duration T/2. We have studied how U vary as a function of thecharge associated with the current in the dipole and the ratio of the length ofthe dipole and its radius. We have observed a remarkable result when this ratiois equal to the ratio of the radius of the universe to the Bohr radius. Ourresults, based purely on the classical electrodynamics and general relativity,show that, as the magnitude of the oscillating charge (as defined by the rootmean square) reduces to the electronic charge, the energy dissipated in asingle burst of radiation reduces to hv, where v is the frequency ofoscillation and h is the Planck constant. The importance of this finding isdiscussed. In particular, the results show that the existence of a minimum freecharge in nature, i.e., electronic charge, is a direct consequence of thephotonic nature of the electromagnetic fields. Furthermore, the presentedfindings allow to derive for the first time an expression for the vacuum energydensity of the universe in terms of the other fundamental constants in nature,the prediction of which is consistent with experimental observations. Thisequation, which combines the vacuum energy, electronic charge and mass, speedof light, gravitational constant and Planck constant, creates a link betweenclassical field theories (i.e., classical electrodynamics and generalrelativity) and quantum mechanics.

Hints of the Photonic Nature of the Electromagnetic fields in Classical  Electrodynamics and its connection to the electronic charge and vacuum energy  density