- #1
kelly0303
- 563
- 33
Hello! Can someone explain to me what is the anapole moment? I read several papers, and I understand its mathematical expression and its implications (parity violation for example), but I am not sure I understand physically what it is. For example I think of an electric dipole moment as 2 charges at a certain distance from each other. How should I think of the anapole moment? Also I am not sure I understand where it does come from. I read in several places that it is different from the normal magnetic and electric moments, so I am not sure where else can it come from. Lastly, how can it violate parity, if it is an electromagnetic phenomena. Isn't QED parity conserving? I would really appreciate a layman explanation as the stuff I read in papers didn't give me a clear understanding. Thank you!