Quantum electrodynamics
= Quantum electrodynamics
{title2=$\mathrm{QED}$}
{wiki}
Quantum electrodynamics couples a <Dirac field> to an Abelian <gauge field> through $-e\bar\psi\gamma^\mu\psi A_\mu$.
= Quantum electrodynamics
{title2=$\mathrm{QED}$}
{wiki}
Quantum electrodynamics couples a <Dirac field> to an Abelian <gauge field> through $-e\bar\psi\gamma^\mu\psi A_\mu$.