BCFW recursion

The Britto–Cachazo–Feng–Witten recursion relations are a set of on-shell recursion relations in quantum field theory. They are named for their creators, Ruth Britto, Freddy Cachazo, Bo Feng and Edward Witten. The BCFW recursion method is a way of calculating scattering amplitudes. Extensive use is now made of these techniques. == See also ==...
Found on http://en.wikipedia.org/wiki/BCFW_recursion
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