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Rotational Invariance and Angular Momentum

  • R. Shankar

Abstract

In the last chapter on symmetries, rotational invariance was not discussed, not because it is unimportant, but because it is all too important and deserves a chapter on its own. The reason is that most of the problems we discuss involve a single particle (which may be the reduced mass) in an external potential, and whereas translational invariance of H implies that the particle is free, rotational invariance of H leaves enough room for interesting dynamics. We first consider two dimensions and then move on to three.

Keywords

Wave Function Angular Momentum Commutation Relation Invariant Subspace Rotation Invariance 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 1994

Authors and Affiliations

  • R. Shankar
    • 1
  1. 1.Yale UniversityNew HavenUSA

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