The " kinetic momentum " is different from the " canonical momentum " ( synonymous with the generalized momentum ) conjugate to the ordinary position coordinates, because includes a contribution from the electric potential and vector potential:
12.
A 2010 study suggested that " both " equations are correct, with the Abraham version being the kinetic momentum and the Minkowski version being the canonical momentum, and claims to explain the contradicting experimental results using this interpretation.
13.
Although the quantity is the " physical momentum ", in that it is the quantity to be identified with momentum in laboratory experiments, it " does not " satisfy the canonical commutation relations; only the canonical momentum does that.
14.
From speaking to people, they seemed to imply that finding canonical momentum was simple, am I missing the point, or have they just assumed that the conserved quantities are the same in 2 + 1D as 3 + 1D ? Preceding talk ) 01 : 45, 4 February 2010 ( UTC)
