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New Paper!
Massive Spinor Helicity Amplitudes, Cross Sections, and Coalescence
How fundamental interactions between elementary particles can be described using helicity spinors (and twistors) instead of quantum fields.
See my Physics page for details.

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New Course!
PHYS 1191 Foundations of Theoretical Physics
I’m thrilled to offer this new course to our undergrads, especially our first-years.
See my Teaching page for details.

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