blather
the_dirac_equation
mp21k
The quantum electrodynamical law (QED) which applies to spin-1/2 particles and is the relativistic generalization of the Schrödinger equation. It is given by

http://scienceworld.wolfram.com/physics/dimg345.gif
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. http://scienceworld.wolfram.com/physics/DiracEquation.html 040904
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. http://en.wikipedia.org/wiki/Dirac_equation 040904
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a "point Paul Dirac: seeking beauty
Feature: August 2002

http://physicsweb.org/article/world/15/8/9/1

Paul Dirac, who was born 100 years ago this month, believed -
sometimes misguidedly - that mathematically "beautiful" theories were also the most powerful ones.

"A physical theory must possess mathematical beauty."
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. Paul Dirac: the purest soul in physics

http://physicsweb.org/box/world/11/2/9/pw1102091
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. The Dirac equation in Einstein's words:-
"the most logically perfect presentation of quantum_mechanics"
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