Physics Notes

Feynman parametrization

• Feynman parametrization (PDF version, 3 pp.)

Notes on variable integration limits as set by the delta function, and on a form of Feynman parametrization.

Vacuum Stability Conditions for a Complex Singlet

• Vacuum Stability Conditions for a Complex Singlet (PDF version, 5 pp.)

Vacuum stability conditions for a complex singlet derived in four ways.

Direct Product & Representations of Cyclic Groups

• $\mathbb{Z}_{2} \times \mathbb{Z}_{3} = \mathbb{Z}_{6}$: how are their representations related? (PDF version, 2 p.)