noun
also schrödinger wave equation
Usage: usually capitalized S
: an equation that describes the wave nature of elementary particles and is fundamental to the description of the properties of all matter ; specifically : a common formulation of this equation ∂²ψ/∂x² + ∂²ψ/∂y² + ∂²ψ/∂z² + (8π²m/h²)[W - V]ψ = 0 where ψ ( x, y, z ) is the wave function, m is the mass of the elementary particle, h is the Planck constant, W is the total energy, and V is the potential energy