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## Main Question or Discussion Point

let,s suppose we have a particle with mass [tex]m\rightarrow\infty [/tex] then my question is if would be fair to make the WKB approach by setting the solution of the Schroedinguer equation as [tex]\phi=e^{iS/\hbar} [/tex] wiht S hte classical action satisfying the equation:

[tex] (dS/sx)^{2}+2m(V(x)-E_{n})=0 [/tex] with E_n the Energies of the system....

[tex] (dS/sx)^{2}+2m(V(x)-E_{n})=0 [/tex] with E_n the Energies of the system....