FTP, name this approximated method to solve the Schrodinger's equation, named for three scientists.
For unbroken supersymmetric systems, a modified form of this method gives the exact energies for systems like the Rosen-Morse and Coulomb. That is because those systems are shape invariant. One ad-hoc correction to it adds a constant addition of 1/4 and is used for spherically symmetric systems where the zeroes of the potential minus the energy is near the origin. In addition to the Langer correction, this method uses the Airy function in connection with formula near turning points between the classically allowed and forbidden zones. Gamow used it in the first successful theory that described quantum tunneling in atomic nuclei during alpha decay. This semiclassical method is based on expanding in terms of powers of Planck's constant and is used for slowly varying potential. FTP, name this approximated method to solve the Schrodinger's equation, named for three scientists.
For unbroken supersymmetric systems, a modified form of this method gives the exact energies for systems like the Rosen-Morse and Coulomb.
{WKBJ approximation} [accept {Wentzel}-{Kramers}-{Brillouin}-{Jeffreys approximation}; accept {variations where} the {J} is in the {front too}]