Physics 240B Problem Set #2 (20)
1.
M. L. Cohen
Spring 2008 Due: 02/26/08
Find and solve the quantum equations of motion for a free electron in a magnetic r field using the gauge A = (-1/2Hy, 1/2Hx
Solar energy
4.3 x 1020 J : sunlight energy striking the Earth in 1 hour (120 PW). 4.1 x 1020 J : global energy consumption in 1 year (13 TW).
In 2050 it is projected that we will be at 30 TW.
Physics 240B, Spring 2008 Homework 3 Solutions
Jesse Noffsinger April 7, 2008
Solutions are in general not the original work of the author.
Problem 1)
The "Ultimate efficiency" of a single-gap solar
Physics 240B Problem Set #3 (20)
1.
M. L. Cohen
Spring 2008 Due: 03/18/08
"Ultimate efficiency" of a single-gap solar cell. The goal of this problem is to derive an upper bound on the power convers
PHYSICS 240B
Time & Place: Office Hours: Reader:
M. L. COHEN
Tu & Th, 11:00 AM 12:30 PM, 385 Le Conte Tu & Th, before class or by appointment, 539 Birge Jesse Noffsinger 542 Birge
SPRING 2008
Offi
Physics 240B Problem Set #1 (20) 1.
M. L. Cohen
Spring2008 Due: 02/12/08
As a review, treat a metal as a free electron gas and calculate: (a) the density of states as a function of wave vector and
Physics 240B, Spring 2008 Homework 1 Solutions
Jesse Noffsinger February 14, 2008
Solutions are in general not the original work of the author.
Problem 1)
Chapter 6 of Kittel is very helpful for thi
Physics 240B, Spring 2008 Homework 2 Solutions
Jesse Noffsinger April 6, 2008
Solutions are in general not the original work of the author.
Problem 1)
The Hamiltonian is given by H= 1 2m px + eH y 2
Physics 240B, Spring 2008 Homework 4 Solutions
Jesse Noffsinger May 1, 2008
Solutions are in general not the original work of the author.
Problem 1)
a)
Calculate the mean square radius of a Cooper pa
Physics 240B Problem Set #5 (20)
M. L. Cohen
Spring 2008 Due: 05/01/08
1. For a weakly coupled BCS superconductor such as Al at T = 0, find the ratio of the radius rp characterizing the spherical v
Physics 240B Problem Set #4 (20) 1. For the Cooper pair problem:
M. L. Cohen
Spring 2008 Due: 04/15/08
(a) Calculate the mean square radius of a Cooper pair. (b) How does the energy of the bound pa