name: A surname (very rare: popularity rank in the U.S.: #53814)
noun: Abbreviation of time-independent Schrödinger equation. [the equation ̂H𝜓(⃑r)=E𝜓(⃑r), for some constant E; applies to separable solutions 𝛹(⃑r,t)=𝜓(⃑r)𝜙(t) to the Schrödinger equation]
