Why don't we avoid self-interaction terms when we measure energy of a continuous charge distribution as we do for point charge distribution?
90259
Confusion about calculating electrostatic energy using the electric field
114003
Why is the work done on a charge calculated from infinity?
44302
Deriving the Coulomb force equation from the idea of photon exchange?
17754
Intuitive Understanding of the constant "$e$"
152177
Griffiths on Averaging and the Macroscopic Electric Field
8766
Traceless multipole moments vs non-traceless moments
62207
How is Bohr's model related to electron cloud models via the correspondence principle?
16022
Radially symmetric charge distribution (dipole moment)
22040
Why is there no theta-angle (topological term) for the weak interactions?
21186
Why is the second order perturbative correction to the ground state energy always down?
65314
Interaction term positive while components are negative?
48756
Why are derivatives in interaction terms treated differently from derivatives in the kinetic term?
65831
Understanding type of force interaction in particle decays
13683
How is $J^{PC}$ value experimentally determined for new types of particles?
104024
Does the mass of an electron change with its "energy state"?
91487
Does a physical interpretation of density matrix cross-terms exist?
155558
If energy is only defined up to a constant, can we really claim that ground state energy has an absolute value?