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 15

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 22

3

Griffiths: 2

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

2.21abc, 2.22, 2.29, 2.33 (do the case: E=V_0)

fri, sept 29

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) your observations as you vary parameters for the well/barrier; consider plane wave vs wave packet 

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

fri, oct 6


 

No HW this week, prepare for exam:  fri oct 13

 

5

Griffiths: 3, 4


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

3.5a, 3.14, 3.15, 3.18

4.1  (fine to just explore representative cases) 

fri, oct 20

6

Griffiths: 4

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

4.11, 4.15a, 4.16, 4.19a, 4.22 a(pick 3 cases) and b, 4.28

fri, oct,27

7

Griffiths: 4

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

4.21, 4.25ab, 4.30, 4.32, 4.34, 4.64a-d

fri, nov 3

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 10


 

No HW this week, prepare for exam: fri nov 17

 

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 

WED nov 29

10

Griffiths: 5, 11

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

5.9a, 11.2, 11.6

and question psi_nlm

WED, dec 6



FINAL: Wednesday DEC 13, 10:15-12 :15