Physics 421: Homework Assignments

HW #

Chapter

Problems

Date due

1

Griffiths: 1, 2

give a final interpretation/discussion at the end of each problem (remember, it counts for 30% of homework points)
1.18, 1.7, 1.8, 1.9ab, 2.1 

fri, sept 13

2

Griffiths: 2

give a final interpretation/discussion at the end of each problem

2.3 

2.5abe,  discuss the difference in the physics (e.g. in |psi|^2 and <x>) when a particle is in a stationary state versus a superposition state 

2.8, 2.10ab, 2.12

fri, sept 20

3

Griffiths: 2

give a final interpretation/discussion at the end of each problem

2.21abc, 2.22, 2.29, 2.33 (do only the case 0<E<V_0)

fri, sept 27

4

Griffiths: 2, 3 appendix

give a final interpretation/discussion at the end of each problem

2.27 (hint: V symmetric, transcendental equation)

2.41 hint: very short

A.9bd

A.25

3.4, 3.9

1) scattering: describe (with reasoning, and figures/sketches) your observations as you vary parameters for the well/barrier; consider plane wave (and related k) vs wave packet

https://phet.colorado.edu/sims/cheerpj/quantum-tunneling/latest/quantum-tunneling.html?simulation=quantum-tunneling


fri, oct 4


 

No HW this week, prepare for exam on friday

 

5

Griffiths: 3, 4


give a final interpretation/discussion at the end of each problem
3.5a, 3.14, 3.15, 3.18

4.2

fri, oct 18

6

Griffiths: 4

give a final interpretation/discussion at the end of each problem

4.1b, 4.11, 4.15a, 4.16, 4.19a, 4.22 a(pick 3 cases) and b

fri, oct 25

7

Griffiths: 4

give a final interpretation/discussion at the end of each problem
4.21, 4.25ab, 4.28, 4.30,
4.32, 4.34, 4.64a-d

fri, nov 1

8

Griffiths: 4, 7 

give a final interpretation/discussion at the end of each problem

4.35, 4.36, 4.37ab, 4.38, 4.58,
7.1

fri, nov 8


 

No HW this week, prepare for exam on friday

 

9

Griffiths: 7, 5

give a final interpretation/discussion at the end of each problem

7.6, 7.11,  and 

Fine structure corrections: determine Hydrogen’s energy spectrum E_nj for n=2 and n=3

5.4, 5.5, 5.8 

fri, nov 22

10

Griffiths: 5, 11

give a final interpretation/discussion at the end of each problem


5.9a, 5.13, 

11.6

and question psi_nlm

WED, dec 4



FINAL: Wednesday DEC 11, 10:15-12 :15