2000/03/23 by Kirk T. McDonald, McDonald, Kirk T., Heinrich Mitter +1
Physics and Astronomy · #Accelerator Physics (physics.acc-ph) #FOS: Physical sciences #physics.acc-ph
paper · pdf · doi:10.48550/arxiv.physics/0003067
arxiv created 2000/03/23 · arxiv updated 2009/12/01
There is not a unique solution to the electro- or magnetostatic problem where the "boundary condition" is merely a specification of the fields along a line. As a practical example, we consider the case where it is desired to have a magnetic field that that traces a helix about the z axis.