Tensor Operators and Expectation Values

  • Wolfgang Ludwig
  • Claus Falter
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 64)

Abstract

A large amount of work in physics deals with the calculation of matrix elements and the solution of eigenvalue problems, either exactly or by perturbation methods. The basic ideas of using group theory in simplifying such problems (Wigner-Eckart theorem) will be given in this chapter.

Keywords

Subduction 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1996

Authors and Affiliations

  • Wolfgang Ludwig
    • 1
  • Claus Falter
    • 1
  1. 1.Institut für Theoretische PhysikWestfälische Wilhelms-UniversitätMünsterGermany

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