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 the hw points)


1.18, 1.7, 1.8, 1.9ab, 2.1 

fri, sept 12

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 19

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 E=V_0)

fri, sept 26

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 3


 

No HW this week, prepare for exam on friday

 

5

Griffiths: 3, 4


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

3.5, 3.14, 3.15, 3.18

4.2

fri, oct 17

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 24

7

Griffiths: 4

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

fri, oct 31

8

Griffiths: 4, 7 

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

fri, nov 7


 

No HW this week, prepare for exam on friday

 

9

Griffiths: 7, 5

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

fri, nov 21

10

Griffiths: 5, 11

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

WED, dec 3



FINAL: Friday DEC 12, 10:15-12 :15