Science, Physics, Quantum Physics, Math, Artificial Intelligence.
field. For a point particle with charge \(q\), the self-energy \(U\) can be expressed as: 🕳️ \[ U = \frac{q^2}{4\pi \epsilon_0 r} \] 🕳️ ~~~~~where \(r\) is the radius of the particle and \(\epsilon_0\) is the vacuum permittivity. This self-energy contributes to the total energy and thus the