Supplement to Solution of Problem 3 of Problem Set 1
Besides the method shown in the posted solution, there are at least two
other ways of nding the magnetic moment of the sphere. The rst is simply
to note that the magnetic eld B outside the sphere is the
Physics 880.06: Problem Set 2
Due Monday, April 18 by 11:59 P. M.
1. 20 pts.
(a). Consider a free electron gas of density n electrons per unit volume
(in three dimensions). Calculate the electronic density of states N(E)
(in states per unit energy per uni
Physics 880.06: Problem Set 3
Note: please turn these problems 11:59 P. M. on Tuesday, April 26, 2011.
Each problem is worth 10 points.
1. The Bogoliubon operators were introduced in class by the transformation
ck = u k,0 + vk k,1
c k = vk k,0 + uk
Physics 880.06: Problem Set 4
This problem set is due by BEGINNING OF CLASS on Tuesday, May 10,
2011. This problem set consists of just a single problem, which is worth 25
1. The BCS equation for the gap function k at temperature T = 0 is
Physics 880.06: Problem Set 5
Due Tuesday, May 17 by 11:59 P. M.
1. Consider the Ginzburg-Landau dierential equation for as applied to
an order parameter which varies in only one spatial direction, say z .
If there is no vector potential, this dierential
Physics 880.06: Problem Set 6
Due Tuesday, May 24, 2011 by 11:59 P. M.
Note: please turn these problems by Tuesday, May 24, at 11:59 P. M.
1. Consider a single Abrikosov vortex parallel to the z axis. Assume that
this vortex experiences three forces. The
Physics 880.06: Problem Set 7
Due Tuesday, May 31, 2011 at 11:59 P. M.
1. (20 pts.) As stated in class, the anisotropic Ginzburg-Landau free energy density is given by the following expression:
f = fn0 + | | + | |4 +
Physics 880.06: Problem Set 1; Due Thursday, April 7, 2011 at
11:59 P. M.
1. (20) Thermodynamics of the Superconducting State: The equilibrium
state of a superconductor in a uniform magnetic eld is determined
by the temperature T and magnitude of the eld
Brief Summary of a Few Central Concepts in Condensed Matter
Physics 880.06: Winter, 2010-11
David G. Stroud
In these notes I give a brief survey of a few central concepts in condensed
matter physics. More details can be found in a number of standa