New posts in Quantum Electrodynamics

Is reflection and refraction the same thing - bouncing of light?

What colour is an electron?

Why is the electron self-energy gauge dependent?

Do Maxwell's equation describe a single photon or an infinite number of photons?

How do annihilation and creation operators act on fermions?

Why doesn't photon lose energy over distance?

In Feynman's path integral formulation, what do faster-than-light paths mean?

The analytical result for free massless fermion propagator

Why can't a real scalar couple to the electromagnetic field?

Why have our eyes not evolved to see "gluons"?