Rotation Operators
- 1 May 1969
- journal article
- Published by American Association of Physics Teachers (AAPT) in American Journal of Physics
- Vol. 37 (5) , 531-536
- https://doi.org/10.1119/1.1975665
Abstract
The wide variety of conventions in use concerning rotation operators can be confusing to the student who is beginning a serious study of the quantum theory of angular momentum. These conventions are discussed and compared, and the relation between active and passive rotations is examined. Using these results, a useful formula is derived which connects the reduced matrix element of a tensor operator with quantities that are measured relative to a rotating reference frame.Keywords
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