Thursday, April 2, 2015

quantum mechanics - Why does the classical path of a particle give the dominant contribution in the path integral?


Why is it that the classical path of a particle gives the dominant contribution in the quantum mechanical path integral? How do we understand this?




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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 \...