In here, p looks like a vector but if l1, l2 are both vectors the equation doesn't seem to add up, hence, are the l1, l2 both actually scalars and multiplied by the respective thetas, or pz is actually only one coordinate of the p vector?
In here, p looks like a vector but if l1, l2 are both vectors the equation doesn't seem to add up, hence, are the l1, l2 both actually scalars and multiplied by the respective thetas, or pz is actually only one coordinate of the p vector?