Schrödinger-Pauli equation

Schrödinger-Pauli equation

[′shrād·iŋ·ər ′pau̇·lē i‚kwā·zhən]
(quantum mechanics)
A modification of the Schrödinger equation to describe a particle with spin of ½ℏ, where ℏ is Planck's constant divided by 2π; the wave function has two components, corresponding to the particle's spin pointing in either of two opposite directions.