Calculating Lagrangian of electromagnetism
62692
Retrieving Maxwell's equations from the minimum action principle
28935
Lagrangian of the Euler equations
48969
The magnetic field of a magnetic monopole
155492
Exercise on local and global symmetry for a given Lagrangian density
99590
Can the Lorentz force expression be derived from Maxwell's equations?
68813
Geodesic Equation from variation: Is the squared lagrangian equivalent?
15275
How do you go from quantum electrodynamics to Maxwell's equations?
18054
Is there a proof from the first principle that the Lagrangian L = T - V?
106563
How to interpret the magnetic vector potential?
51073
Gauss's Law with Moving Charges
17451
Expanding electromagnetic field Lagrangian in terms of gauge field
44239
Why the extra term $\frac{1}{2}(\partial_{\rho}A^{\rho})^2$ in the photon Lagrangian?
115275
Vector field of charges
101944
Fundamental invariants of the electromagnetic field
101002
Is there either a Lagrangian or a Hamiltonian formulation of electromagnetism with continuous distributions of magnetic monopoles?
61073
Why is electric flux defined as $\Phi = E \cdot S$?
96880
How to obtain Hamiltonian formalism and phase space for Lagrangian with second-derivatives?