PHY 215A, Quantum Mechanics: Solutions to Homework Set #1
1. Vector Spaces.
Because our definition of multiplication and addition match the regular definitions, we only need to check
closure and show
PHY 215A, Quantum Mechanics: Homework Set #3
Due: Oct.
13, 2016
1. 7 points. Canonical coordinates and canonical transformations.
(a) Show that the polar variables
p
= tan1 xy ,
= x2 + y 2 ,
xpx + y
PHY 215A, Quantum Mechanics: Homework Set #5
Due: Oct.
27, 2016
1. Bound State for Two -function Potentials. 25 points.
(a) For a particle in 1D, calculate the ground state energy and wavefunction for
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PHY 215A, Quantum Mechanics: Homework Set #2
Due: Oct.
6, 2016
1. (6 points) Delta and Theta
Consider the function
(x y) = 0, x < y,
= 1, x > y.
(1)
Show that
d
(x y) (x y),
dx
(2)
i.e. this function
UC DAVIS PHYSICS PRELIM 2014 SOLUTIONS
1. Consider the following system of two masses and three springs, held between two immobile
walls. The left two springs are identical, and you should ignore grav
Physics 215A; Quantum Mechanics HW 0 Solutions
1. 8 points. It is of course not necessary to obtain the exact form given below for the more involved manipulations.
~ i~k~r = ( , , )ei~k~r = (ikx , iky
PHY 215A, Quantum Mechanics: Solutions to Homework Set #2
1. Delta and Theta.
R +|b|
The function satisfies (1)(x) = 0 for x 6= 0 and (2) |a| (x) = 1 for any a, b 6= 0. The function
satisfies these pr
'Gctober 1t, 2'01?
Physics 2153.
Problem set 2
Find the meme Femier Emmi-"om of 6(k- kg) and intetprt your remitt-
-in terms nfie Wt: prineiple.
2. 3. Using the divergent: meerern [one dimension), eva