Central Potentials, Radial Equation, Derivation, Quantum Physics.
components of the momentum, p, can be represented as or i = 1, 2, 3, where x1 ≡ x, x2 ≡ y, x3 ≡ z, and r ≡ (x1, x2, x3). Likewise, it is easily demonstrated, from the above expressions, and the basic definitions of the spherical polar coordinates, that the radial component of the momentum can be