%0 Journal Article
%T On the energy of electric field in hydrogen atom
%A Yuri Kornyushin
%J Physics
%D 2009
%I arXiv
%X It is shown that hydrogen atom is a unique object in physics having negative energy of electric field, which is present in the atom. This refers also to some hydrogen-type atoms: hydrogen anti-atom, atom composed of proton and antiproton, and positronium.
%U http://arxiv.org/abs/0905.4506v2