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Article
Diagonalization of the Dirac equation: An alternative approach
AMERICAN JOURNAL OF PHYSICS
  • BR Holstein
Publication Date
1997
Abstract
The reduction of a relativistic Hamiltonian to its effective nonrelativistic form, usually accomplished via a Foldy–Wouthuysen transformation, is derived via Lagrangian methods. This technique provides a pedagogically interesting introduction to the so-called heavy baryon field theory.
Comments
The published version is located at http://ajp.aapt.org/resource/1/ajpias/v65/i6/p519_s1
Pages
519-522
Citation Information
BR Holstein. "Diagonalization of the Dirac equation: An alternative approach" AMERICAN JOURNAL OF PHYSICS Vol. 65 Iss. 6 (1997)
Available at: http://works.bepress.com/barry_holstein/88/