On vector potential of the Coulomb gauge
arXiv:physics/0309029 · doi:10.1088/0143-0807/25/4/c01
Abstract
The question of an instantaneous action (A M Stewart 2003 Eur. J. Phys. 24, 519) can be approached in a systematic way applying the Helmhotz vector decomposition theorem to a two-parameter Lorenz-like gauge. We thus show that only the scalar potential may act instantaneously.
REVTEX4, 7 pages