L6.3 Weak-field Zeeman effect; the projection lemma

MIT 8.06 Quantum Physics III, Spring 2018
Instructor: Barton Zwiebach
View the complete course: ocw.mit.edu/8-06S18
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L6.3 Weak-field Zeeman effect; the projection lemma
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[@somethingness]

Revising some theory before my PhD viva. How great it is that such high-quality material is available freely online. Thank you. What a time to be alive!

[@somethingness]

I had completely forgotten where the Landé g-factor came from. This was very useful!

[@rinasunar7759]

If you don't mind me asking how did it go? What was your thesis about?

[@somethingness]

@@rinasunar7759 The viva went well, thank you for asking. My thesis was about single-photon generation.

[@rinasunar7759]

@somethingness i watched a video about it sounds interesting. I hope i'll be able to prepare for my PhD viva watching OCW lectures someday. For now i have to pass my Bachelors first.

[@somethingness]

@@rinasunar7759 The most important thing for me was to be consistent in my approach to studying (e.g., always do at least a little work every day). Only do a PhD if you are still enjoying doing physics when you finish your Bachelors! A PhD is very doable if you are enjoying doing physics but if you're not then it's very difficult! Good luck!

[@milanrai6988]

I don't uderstand a jump @13:00 after the projection lemma.

[@krupt5995]

Couldn't you just use clebsh gordan coefficients?

[@PizzaLkhr-jp2gv]

how can i derive the identity of [j^2 ,[j^2,S]] , i don´t find derivation anywhere

[@nesaralititumir6153]

13:53