Diagonalization of the Dirac equation: An alternative approach

Publication Date

1997

Journal or Book Title

AMERICAN JOURNAL OF PHYSICS

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

Volume

65

Issue

6

Link to Full Text

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