Summary

• x, p, and E operators
• The particle in a box, part 2
• Finite square-well potential

• Tunneling through a barrier
• Non-classical probability
Example #1

• Example problem 6.40
• Example problem 6.46

PSE10 40.21 (similar to Thornton Example 6.15 p.233)
An electron having total energy E = 4.50 eV approaches a rectangular energy barrier with U = 5.00 eV and L = 0.950 nm as shown in the figure. Calculate the probability of tunneling, which is the transmission coefficient.
A. 5.00×10⁻⁶
B. 3.62×10⁻⁴
C. 1.48×10⁻³
D. 0.0688
Answer





































 



C. 1.48×10⁻³