Wigner-Eckart Theorem 
Wigner-Eckart Theorem
by MIT / Robert W. Field
Video Lecture 20 of 25
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Views: 2,822
Date Added: December 12, 2009

Lecture Description


The original video lecture name is: Transformations between basis sets: 3-j, 6-j, and Wigner-Eckart theorem.

Course Index

Course Description


The goal of this course is to illustrate the spectroscopy of small molecules in the gas phase: quantum mechanical effective Hamiltonian models for rotational, vibrational, and electronic structure; transition selection rules and relative intensities; diagnostic patterns and experimental methods for the assignment of non-textbook spectra; breakdown of the Born-Oppenheimer approximation (spectroscopic perturbations); the stationary phase approximation; nondegenerate and quasidegenerate perturbation theory (van Vleck transformation); qualitative molecular orbital theory (Walsh diagrams); the notation of atomic and molecular spectroscopy.

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