Can we derive the electromagnetic wave equation from $\mathcal{L}_{EM} = -\frac{1}{4} F_{\mu \nu} F^{\mu \nu} $?
54193
Can light exist in $2+1$ or $1+1$ spacetime dimensions?
114836
Electric and Magnetic field's phase difference shift in linearly polarized electromagnetic waves
153288
Deriving electric field
112187
Is there a way to see that $ \nabla_\mu g_{\nu \rho} = 0 $ without explicit computation, where $\nabla_\mu$ refers to the covariant derivative?
70028
Direct way of calculating $\mathbb{E} \left[ \frac{\textbf{h}^{H} \textbf{y}\textbf{y}^{H} \textbf{h}}{ \| \textbf{y} \|^{4} } \right]$
2912
What does it take to understand Maxwell's equations?
5663
Have we directly observed the electric component to EM waves?
138883
How to get the fourth component of EOM in a relativistic formulation of a charged particle in an electromagnetic field?
119258
Electromagnetic field and continuous and differentiable vector fields
51644
Differential Equations for Physicists
67575
Electromagnetic wave properties of light vs radio waves
19380
The equivalent electric field of a magnetic field
27866
Does existence of magnetic monopole break covariant form of Maxwell’s equations for potentials?
69854
Why is there a minus sign in this wave equation derivation?
85984
How come $\frac{\partial(\partial_{\beta}A_{\gamma})}{\partial(\partial_{\mu}A_{\nu})} = g_{\beta\mu}g_{\gamma\nu}$?
101944
Fundamental invariants of the electromagnetic field
19386
Geometric interpretation of Electromagnetism