Campuses:
This shows you the differences between two versions of the page.
| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| classes:2009:fall:phys4101.001:q_a_1023 [2009/10/26 09:51] – x500_maxwe120 | classes:2009:fall:phys4101.001:q_a_1023 [2009/11/12 13:49] (current) – x500_chap0326 | ||
|---|---|---|---|
| Line 25: | Line 25: | ||
| ===Devlin 10/23 830a=== | ===Devlin 10/23 830a=== | ||
| As far as I can tell, determinate states are just eigenfunctions of certain operators. | As far as I can tell, determinate states are just eigenfunctions of certain operators. | ||
| + | |||
| + | ===chap0326 11/12=== | ||
| + | I think indeterminacy is the phenomenon in QM when you have a bunch of identical systems all in the same state and you don't get the same result each time you measure the observable. So a determinate state is the idea that you could prepare some state where you get the same value for every measurement of the system (Griffith calls it ' | ||
| ====Daniel Faraday 10/23 12:30 pm==== | ====Daniel Faraday 10/23 12:30 pm==== | ||
| Line 34: | Line 37: | ||
| === Zeno 10/26 9:45AM === | === Zeno 10/26 9:45AM === | ||
| I thought it was pretty perfect. Great length, great difficulty, and representative of what we were expected to know. I got tripped up toward the end of the third problem, which is my own fault for not fully understanding the strategy of solving the delta function potential outlined in detail in the book, but the other two were completely manageable (as the third one should have been). I hope the rest of the exams and final are very similar. | I thought it was pretty perfect. Great length, great difficulty, and representative of what we were expected to know. I got tripped up toward the end of the third problem, which is my own fault for not fully understanding the strategy of solving the delta function potential outlined in detail in the book, but the other two were completely manageable (as the third one should have been). I hope the rest of the exams and final are very similar. | ||
| + | |||
| + | ===Captain America 10/27 10:08=== | ||
| + | I thought it was good as well. I too got tripped up on the last problem, and a bit on the first problem (at least I got an answer that should be right, I just don't know how well I explained myself). | ||
| + | |||
| + | ===Esquire 10/26 10:33am=== | ||
| + | The test was fairly straightforward. After the first test, I made a more concentrated effort at studying for this one and it seems to have paid off. | ||
| + | |||
| + | ===Blackbox 10/26 5:59 pm=== | ||
| + | I'm not quite sure I've got all correct answers for the test but it was reasonable length and also appropriate amount of time. | ||
| ====Schrodinger' | ====Schrodinger' | ||
| Line 51: | Line 63: | ||
| Think of it like degenerate energy levels for an atom. Different configurations of elections (eigenfunctions) can cause the particle to have the same energy (eigenvalue). | Think of it like degenerate energy levels for an atom. Different configurations of elections (eigenfunctions) can cause the particle to have the same energy (eigenvalue). | ||
| + | === Zeno 10/26 10am === | ||
| + | A completely watered-down description of degeneracy is: multiple ways to achieve the same result. In QM this corresponds to multiple electron configurations, | ||
| + | |||
| Line 56: | Line 71: | ||
| **Q&A for the previous lecture: [[Q_A_1021]]**\\ | **Q&A for the previous lecture: [[Q_A_1021]]**\\ | ||
| **Q&A for the next lecture: [[Q_A_1026]]** | **Q&A for the next lecture: [[Q_A_1026]]** | ||
| - | |||
| - | |||