2025/12/31 by Joel Franklin, David Griffiths, Darrell Schroeter · 1 voice
Physics and Astronomy · #physics.class-ph
paper · pdf · doi:10.1119/5.0186335
Contrary to widespread belief, magnetostatic field lines do not ordinarily form closed loops. Why, then, are they in fact closed for so many familiar examples? What other topologies are possible, and what current configurations generate them?