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= Welcome to Phys 139B, 2012! = == Welcome to Phys 139B, 2012! ==
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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!'' &ndash; ~-''<<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."
  * This course has now come to an end. ~+'''Congratulations to those who did well in, or feel good about, this course!'''+~ I was impressed by many students&rsquo; passion as well as great work. I hope that this beautiful thing that we call quantum mechanics is now entangled nicely in your mind!&mdash;~-''<<DateTime(2012-12-19T22:58:48-0800)>>''-~
  
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<<fl(I)>>n 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. <<fl(I,)>>n 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&rsquo;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.

Welcome to Phys 139B, 2012!

  • This course has now come to an end. Congratulations to those who did well in, or feel good about, this course! I was impressed by many students’ passion as well as great work. I hope that this beautiful thing that we call quantum mechanics is now entangled nicely in your mind!—11:58PM, Dec 19, 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.