Sunday, July 5, 2015

homework and exercises - How can I show non-Abelian CS term is a total derivative?


I want to show:Tr(F˜F)=μKμ=μ(εμνρσTr(FνϱAσ23AνAρAσ)).





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classical mechanics - Moment of a force about a given axis (Torque) - Scalar or vectorial?

I am studying Statics and saw that: The moment of a force about a given axis (or Torque) is defined by the equation: $M_X = (\vec r \times \...