Question is mainly for Alex, but others can jump in, also!
Is there a problem that can be solved with the Schrodinger equation that cannot be solved with the Dirac equation, or the latter is far too complex to do so? Interesting derivation of the Dirac equation here, by the way:
Is there a problem that can be solved with the Schrodinger equation that cannot be solved with the Dirac equation, or the latter is far too complex to do so? Interesting derivation of the Dirac equation here, by the way: