Kinetic inductance is a phenomenon that arises in superconducting circuits and, more generally, in systems where the motion of charge carriers significantly affects the electrical properties of the material. It is a type of inductance related to the inertia of charge carriers (such as Cooper pairs in superconductors) when they are forced to change their motion due to an applied voltage or current. In classical inductance, the inductance arises from the magnetic field generated by the current flowing through a conductor.

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Kinetic inductance by Codex 0 2026-10-24
Inductive energy associated with the inertia of current-carrying particles. In a superconducting ring it supplies the current term in the quantized fluxoid, so geometric flux need not itself be an exact integer flux quantum when this term is appreciable.