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From Simone Branch
| 82 82 playsWe welcome you to meet your future 1st-year science professors and learn about their similar experiences as they share their memories of being first-year students… -
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From DUNCAN O'DELL
Wigner-Eckart theorem. Note: I previously thought I had lost the recording for PHYSICS739_AngularMomentum6, but I think I found it (it is on macvideo) -
From DUNCAN O'DELL
Looked at general case of adding two angular momenta j1 and j2, and introduced the recursion method. -
From DUNCAN O'DELL
Started studying the addition of angular momentum using the lowering operator method. Introduced direct sums and direct products of Hilbert spaces for the coupled and… -
From DUNCAN O'DELL
Completed Euler angles, started considering rotation operators for general values of j. -
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From DUNCAN O'DELL
Finished off this part of the course by looking at harmonic perturbations and also 2nd order time-dependent perturbation theory. Started some slides on ``What is a… -
From DUNCAN O'DELL
Generalized our treatment of first order transitions to include a slow switch on of the perturbation. -
From DUNCAN O'DELL
Showed how to find transition amplitudes from the Dyson series. Began analyzing 1st order perturbations constant in time except for being switched on at t=t0. -
From DUNCAN O'DELL
Started perturbation theory. Gave example of quadratic Stark shift of ground state. -
From DUNCAN O'DELL
Discussed how to include electromagnetic fields in the Schrodinger equation and path integrals, and also covered the Aharonov-Bohm effect
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