1998•Journal of Physics A Mathematical and GeneralOpen access

Generation of multipole moments by external field in Born-Infeld nonlinear electrodynamics

Dariusz Chruściński, Jerzy Kijowski

Abstract

The mechanism for the generation of multipole moments due to an external field is presented for the Born-Infeld charged particle. The `polarizability coefficient' for arbitrary l -pole moment is calculated. It turns out that , where and b is the Born-Infeld nonlinearity constant. Some physical implications are considered.

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Key concepts: Multipole expansion, Physics, Polarizability, Quantum electrodynamics, Nonlinear system, Moment (physics), Field (mathematics), Spherical multipole moments