Abstract:
Based on various representations of the potential of point basis sources of an electrostatic field, we report the solution to the problem of their interaction energy. The obtained results can be used to approximate the electric field by point multipole fields using the variational principle.
Keywords:
point multipole, interaction energy, variational principle
Received:July 5, 2024 Revised:December 11, 2024 Accepted: December 29, 2024
Citation:
V. P. Kazantsev, O. A. Zolotov, O. P. Zolotova, V. E. Zalizniak, “Interaction energy of point electric multipoles”, UFN, 195:8 (2025), 897–904; Phys. Usp., 68:8 (2025), 843–849