1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Electromagnetic duality

  1. Apr 28, 2012 #1
    What is electromagnetic duality for Maxwell's equations in free space without sources?
    Is this symmetry valid when there are conventional sources? If not, what hypothetical additional sources are needed to restore duality symmetry?
     
  2. jcsd
  3. Apr 28, 2012 #2
    magnetic monopoles.
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook