Tuesday, January 28, 2020

group theory - Quadratic Casimir operator of higher dimensional mathfraksu(3) representations



In higher dimensional representations of su(3), what will be the quadratic Casimir operator? Is it same as in lower dimensions or different?




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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 \...