WEEK 16 ASSIGNMENT
Q1
(5pointspossible)
Consider identical fermions (such as electrons) that can occupy different orthogonal
single-particle basis states j
described by creation and annihilation operators b^
j
and b^ usual, the empty state |0 a vector of

WEEK 10 ASSIGNMENT
Q1
(1 point possible)
How many Bravais lattices are there in three-dimensions?
Enter an integer number
Note: the following two questions are examples of "compound true/false
questions", an approach that has multiple benefits for both ex

WEEK 13 ASSIGNMENT
Q1
(5 points possible)
Note: The following is a compound true/false question in which 3 statements
are true and 2 are false. Select all the true statements.
a) ^ ^ i^
y x
=
z
b) |+ |=0
12
12
(i.e., a zero length vector)
c) The state a

WEEK 12 ASSIGNMENT
Q1
(5 points possible)
Consider a semiconductor that we can presume to have an isotropic
parabolic conduction band minimum with effective mass m
eff
0.07m
o
where m the free electron mass. We can presume that when we add
o
is
electron

WEEK 11 ASSIGNMENT
Q1
(5 points possible)
Note: This is a compound true/false question. Three of the following
statements are True and two are False. You have 5 attempts.
Select the three correct statements below.
a) Suppose the Bloch function ux)exp(ikx)

WEEK 14 ASSIGNMENT
Q1
(3 points possible)
Suppose we have 3 identical bosons and 2 modes they can occupy. For
simplicity, we will assume these bosons do not interact with one another.
Considering states of the system with integer numbers (i.e., 0, 1, 2, o

WEEK 15 ASSIGNMENT
Q1
(4 points possible)
Consider standing plane wave electromagnetic modes between the walls of a
box or cavity of length L the direction with electric field polarized the
in
x
in the z
direction with amplitude E
z and magnetic field in

19.1 Interpretation of quantum
mechanics
Slides: Video 19.1.1 The
measurement problem
Text reference: Quantum Mechanics
for Scientists and Engineers
Section 19.2
Interpretation of quantum mechanics
The measurement problem
Quantum mechanics for scientists

WEEK 18 ASSIGNMENT
Q1
(4 points possible)
Suppose we have a pair of photons, one in beam 1 goes to the left, and
that
one in beam 2 goes to the right. (We presume these photons are
that
distinguishable because there is no practical possibility of them b

WEEK 17 ASSIGNMENT
Q1
(5 points possible)
For this question and Q2 below, consider a two-level system for an electron,
as in the lectures. The lower electron state 1 energy E
has
1 and the upper
state 2 energy EThere are no other relevant electron states