ECE/MAT 211A Winter 11: Homework 1 Solutions
Problem 1: Compton Scattering Kroemer # 1.1-2 (p. 10).
Problem 2: Bragg scattering for electrons and photons
1
2
Problem 3: Connection rules for a delta-fu
ECE/MAT 211A: Homework 1. Due January 12, 2011, at noon.
Problem 1: Compton Scattering Kroemer # 1.1-2 (p. 10).
Problem 2: Bragg scattering for electrons and photons
Problem 3: Connection rules for a
ECE/MAT 211A: Homework 2. Due January 19, 2011, at noon.
Problem 1: Resonant Transmission across a Potential Well Kroemer # 1.4-3 (p. 39).
Problem 2: Reflections at Semiconductor Hetero-Interfaces Kro
ECE/MAT 211A, W11: Homework 2 Solutions
Problem 1: Resonant transmission across a potential well Kroemer # 1.4-3 (p. 39).
1
Problem 2: Reflections at semiconductor hetero-interfaces Kroemer # 1.5-2 (p
HW #4
Due 02/13 by 4pm
1. Kroemer # 4.3-2
2. Kroemer # 9.3-1
3. Energy-time Uncertainty: Excited State Lifetimes and Energy Spectra
The more common manifestatio
Errata to Quantum Mechanics
Errata to
Quantum Mechanics
by
Herbert Kroemer
The following is a list of known errors, as of May 2, 2001, omitting certain kinds of inconse-quential
errors (like incorrect
HW #1 Solutions
1. Kroemer # 1.1-3
The key to this problem is realizing that the minimum in excess energy corresponds to
the two fragments having equal velocities. Fr
ECE/MAT 211A: Homework 3. Due January 26, 2011, at noon.
Problem 1: Vibrational frequencies of silicon-hydrogen bonds All CMOS transistors contain an interface between silicon and SiO2. Because of the
Properties of the Coherent State:
Use the following definitions/properties of the raising ( ! ) and lowering operators ( ! )
=
!
!"
! ! =
+ 1!
! ! =
!
In genera
HW #5
Due Friday 02/27 by 4pm
1. Work through and write down the steps to derive equation 6.1-6 in Kroemer
2. A particle is in the nth energy level (n>1) of a
HW #2 Solutions
3. For the following problem use the following definitions/properties of the raising ( ! )
and lowering operators ( ! )
!
= !"
! ! = + 1!
HW #3
1. Write out all steps of the Coherent State Worksheet (posted on GauchoSpace)
2. Read section 7.4 of Kroemer and do problem 7.4-1
3. All parts of the
HW #2
1. Kroemer # 2.2-1
2. Kroemer # 2.2-6
3. For the following problem use the following definitions/properties of the raising ( ! )
and lowering operators ( !
ECE/MAT 211A: Homework 4. Due February 2, 2011, at noon.
Problem 1: Particle in a Spherical Shell A particle of mass m is constrained to move between two concentric impermeable spheres of radii r = a
Midterm Solutions
1. Infinite Square Well with Central Barrier
a) (5 pts) Draw the wavefunction for the ground state of an electron, assuming
< ! .
b) (5 pt