%0 Journal Article
%T Reverse Engineering Approach to Quantum Electrodynamics
%A Walter Smilga
%J Journal of Modern Physics
%P 561-571
%@ 2153-120X
%D 2013
%I Scientific Research Publishing
%R 10.4236/jmp.2013.45079
%X <p align=\"justify\">
	<span style=\"font-family:verdana;\">The </span><i><span style=\"font-family:verdana;\">S</span></i><span><span style=\"font-family:Verdana;\"> matrix of </span><i><span style=\"font-family:Verdana;\">e</span></i><span style=\"font-family:Verdana;\">-</span><i><span style=\"font-family:Verdana;\">e</span></i><span style=\"font-family:Verdana;\"> scattering has the structure of a projection operator that projects incoming separable product states onto entangled two-electron states. In this projection operator the empirical value of the fine-structure constant</span></span><span> </span><i><span style=\"font-family:verdana;\">¦Á</span></i><span> </span><span style=\"font-family:verdana;\">acts as a normalization factor. When the structure of the two-particle state space is known, a theoretical value of the normaliz</span><span style=\"font-family:verdana;\">a</span><span style=\"font-family:verdana;\">tion factor can be calculated. For an irreducible two-particle representation of the Poincar¨¦ group, the calculated nor</span><span style=\"font-family:verdana;\">malization factor matches Wyler¡¯s semi-empirical formula for the fine-structure constant</span><span> </span><i><span style=\"font-family:verdana;\">¦Á</span></i><span style=\"font-family:verdana;\">. The empirical value of</span><span> </span><i><span style=\"font-family:verdana;\">¦Á</span></i><span style=\"font-family:verdana;\">, therefore, provides experimental evidence that the state space of two interacting electrons belongs to an irreducible two-particle representation of the Poincar¨¦ group.</span> 
</p>
%K Quantum Electrodynamics
%K Fine-Structure Constant
%K Entanglement
%K Gauge Invariance
%K Reverse Engineering
%U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=31409