Phys 139b-12!
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| * We have completed the time-dependent perturbation theory. '''Please read lecture notes carefully''', as some contents have been mentioned only briefly during classes. After the Thanksgiving break, we will be covering '''Scattering'''. Then, '''Adiabatic theorem''' and '''Berry's phase''', which I expect to be the last topic of this course. ''Happy thanksgiving!'' – ~-''<<DateTime(2012-11-22T10:54:21-0800)>>''-~ * You may notice that there are couple of <<color(challenge questions)>> on the forum site. If you provide a good answer to a challenge question, then you will definitely be recorded in my good deeds file. Please regard challenge questions as "bounty hunter questions" or "extra credit questions." |
* We are almost there! Tomorrow, we have the '''final lecture''' -- which will be mostly story telling, with minimal, but just enough and essential-to-know, simple math. LN 19 had been uploaded already -- we will discuss (adiabatic) perturbation, (gauge) symmetry, Berry phase, and topological effects -- '''what a list of topics!!''' So I hope that we will have loads of fun, all in connection with well-grounded science! – ~-''<<DateTime(2012-12-05T11:44:59-0800)>>''-~ |
Welcome to Phys 139B, 2012!
We are almost there! Tomorrow, we have the final lecture -- which will be mostly story telling, with minimal, but just enough and essential-to-know, simple math. LN 19 had been uploaded already -- we will discuss (adiabatic) perturbation, (gauge) symmetry, Berry phase, and topological effects -- what a list of topics!! So I hope that we will have loads of fun, all in connection with well-grounded science! – 12:44PM, Dec 05, 2012
Welcome to the second part of Quantum Mechanics!
In this course, you will learn how to use Quantum Mechanics, now that you have thoroughly learned, in 139A, what Quantum Mechanics is. (However, we will review the essentials of the formalism of Quantum Mechanics, as we begin 139B.) The topics to be covered include perturbation theories, the variational principle, scattering, the WKB approximation, the adiabatic principle and the Berry's phase. These contents that you will learn will make you feel good, I believe, not only because you will learn to calculate things and apply your results to physical situations, but also because this process of using Quantum Mechanics will enrich your notion of what Quantum Mechanics really is all about.