Tagged Questions
4
votes
3answers
151 views
Does light really “travel”?
From what I've so far understood about light, a photon is emitted somewhere and after some time it's absorbed somewhere else.
Have we had experiments that confirm the path taken or something akin to ...
6
votes
3answers
261 views
What is the massless limit of massive electromagnetism?
Consider electromagnetism, an abelian gauge theory, with a massive photon. Is the massless limit equal to electromagnetism? What does it happen at the quantum level with the extra degree of freedom? ...
2
votes
2answers
610 views
How many photons can an electron absorb and why?
How many photons can an electron absorb and why?
Can all fundamental particles that can absorb photons absorb the same amount of photons and why?
If we increase the velocity of a fundamental ...
2
votes
3answers
276 views
If electromagnetic fields give charge to particles, do photons carry charge?
As I understand these two statements:
An electromagnetic field gives particles charge
A photon is a quantum of electromagnetic field
It must mean that a photon carries charge. But I guess it isn't ...
