Significance of Electromagnetic Potentials in Quantum Theory, Y. Aharonov an D. Bohm, Phys. Rev. 115(3), August 1, 1959
In this paper, we discuss some interesting properties of the electromagnetic potentials in the quantum domain. We shall show that, contrary to the conclusions of classical mechanics, there exist effects of potentials on charged particles, even in the region where all the fields (and therefore the forces on the particles) further possible developments in the interpretation of the potentials.