Exam
Final exam, Dec 13: Final exam – Good luck!! (with solutions)
Midterm, Nov 6: Midterm (formalism, symmetry, perturbation) with solutions
Correction: Problem 8(b): unnecessary part is removed. – 2:05PM, Nov 06, 2012
Change: Problem 8 → extra credit. – 1:48PM, Nov 06, 2012
Quiz
Quiz 5, Nov 29: Time dependent potential, perturbation (with solutions)
Quiz 4, Nov 13: Bohr-Sommerfeld rule and the variational principle (with solutions)
Score stats: 16.3 ± 4.3 out of 30.
Quiz 3, Oct 25: Symmetry (with solutions)
Score stats: 4.1 ± 2.6 out of 10.
Quiz 2, Oct 18: Perturbation (with solutions)
Score stats: 4.0 ± 2.5 out of 10.
Quiz 1, due 5 PM, Oct 11 (open anything): Formalism (with solutions)
Score stats: 8.2 ± 1.7 out of 10.
Homework
Homework 8, not due, but must do: Scattering, Berry’s phase
Homework 7, due Nov 30: Electron and photon (with solutions)
Correction: Problem 2(d): 14.14 → 14.13. – 12:03PM, Nov 30, 2012
Additions, correction, and partial removal: Problem 2 (red). – 5:52PM, Nov 28, 2012
Extra office hours: Nov. 28, 11AM – 2PM
Homework 6, due Nov 20: Time dependent perturbation (with solutions)
Addition: Problem 1(c): a "perturbing" magnetic field; $\theta (t)$ included in $\hat H_1$. – 6:24PM, Nov 19, 2012
Addition: Problem 1(c): clarification of Hamiltonians, and the initial condition. – 10:25PM, Nov 15, 2012
Addition: Problem 4: the last sentence. – 2:25PM, Nov 13, 2012
Corrections: Problem 1: three corrections (red). The last one is serious (exact → perturbative). – 2:50PM, Nov 13, 2012
Homework 5, not due, but must do: Variational principle, WKB (with solutions)
Addition: Solution to problem 4: one more page added. – 10:46AM, Nov 10, 2012
Correction: Problem 4(c): $\psi^* \psi$ → $\Psi^* \Psi$. – 3:14PM, Nov 06, 2012
Correction: Problem 4(d): Eq. 9.9 → Eq. 10.9. – 2:48PM, Oct 30, 2012
Homework 4, due Oct 30: Hydrogen-like atom (with solutions)
Score stats: 112 ± 16 out of 120.
Corrections: Problem 1: sign for $e$ in $\hat H_1$, and hint. – 7:40PM, Oct 26, 2012
Homework 3, due Oct 23: Symmetry, conservation, virial theorem+ (with solutions)
Score stats: 92 ± 15 out of 120.
Addition: Page 5: $A \approx 1$, ignoring the 2nd order. – 6:52AM, Nov 01, 2012
Correction, addition: Power of $\varepsilon$ (page 6). Stationary operator (page 17). – 7:30AM, Oct 24, 2012
Homework 2, due Oct 16: Perturbation (with solutions)
Score stats: 107 ± 17 out of 120.
Addition: Problem 1(c): "under a suitable assumption" is added. – 8:08PM, Oct 09, 2012
Homework 1, due Oct 9: Formalism, symmetry, spin (with solutions)
Score stats: 55 ± 18 out of 85.
Correction: Solution, pages 4,5 (red): sets of compatible symmetry operations (correction on page 4, and one set added on page 5). – 11:52AM, Oct 17, 2012
Correction: Solution, page 8, three instance of 1 → 0 (red). Thanks, E! – 9:33PM, Oct 10, 2012
Correction: Solution, problem 4, one grammatical correction near the end. – 4:08PM, Oct 10, 2012
Addition: Solution, page 11: more comments (red). – 10:03AM, Oct 10, 2012
Correction: Problem 2, plane wave → sine wave. – 3:59PM, Oct 08, 2012
Correction: Problem 5, function → state. – 7:57PM, Oct 04, 2012
Correction: Solution to problem 2 -- the final answer corrected (red). – 6:29PM, Dec 16, 2012
Correction: Solution to problem 3, part (a) -- the matrix has no off-diagonal elements (all relevant parts corrected in red.) – 7:46PM, Dec 16, 2012