Note on Exchange Phenomena in the Thomas Atom

  title={Note on Exchange Phenomena in the Thomas Atom},
  author={Paul Adrien Maurice Dirac}
For dealing with atoms involving many electrons the accurate quantum theory, involving a solution of the wave equation in many-dimensional space, is far too complicated to be practicable. One must therefore resort to approximate methods. The best of these is Hartree's method of the self-consistent field. Even this, however, is hardly practicable when one has to deal with very many electrons, so that one then requires a still simpler and rougher method. Such a method is provided by Thomas… 
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