PHZ6426: Fall 2013
FINAL EXAM
Please help your instructor by doing your work neatly.
Every (algebraic) nal result must be supplemented by a check of units. Without such a
check, no more than 75% of the credit will be given even for an otherwise correct so

PHZ6426: Fall 2011
FINAL EXAM
1a 30
1b 20
2a 30
2b 20
P1 The energy spectrum of electrons on a 2D square lattice is given by the tight-binding model
k = t [cos (kx a) + cos (ky a)] .
Assume that transport can be desribed by the (linearized) Boltzmann equa

PHZ6426: Fall 2013
Problem set # 4: Crystal Structure
due Monday, 10/14 at the time of the class
Instructor: D. L. Maslov
maslov@phys.u.edu 392-0513 Rm. 2114
Oce hours: TR 3 pm-4 pm
Please help your instructor by doing your work neatly. Every (algebraic)

PHZ6426: Fall 2013
Problem set # 1: Solutions
Instructor: D. L. Maslov
maslov@phys.u.edu 392-0513 Rm. 2114
Oce hours: TR 3:00 p.m.-4:00 p.m.
Please help your instructor by doing your work neatly.
Units Rule: Every (algebraic) nal result must be supplement

PHZ6426: Fall 2012
FINAL EXAM: SOLUTIONS
Please help your instructor by doing your work neatly.
Every (algebraic) nal result must be supplemented by a check of units. Without such a
check, no more than 75% of the credit will be given even for an otherwise

PHZ6426: Fall 2013
Problem set # 5: Nearly-free-electron and tight-binding models:
Solutions
due Wednesday, 11/13 at the time of the class
Instructor: D. L. Maslov
maslov@phys.u.edu 392-0513 Rm. 2114
Oce hours: TR 3 pm-4 pm
Please help your instructor by

PHZ6426: Fall 2013
MIDTERM: Solutions
Please help your instructor by doing your work neatly. Every (algebraic) nal result
must be supplemented by a check of units. Without such a check, no more
than 75% of the credit will be given even for an otherwise co

PHZ6426: Fall 2013
Problem set # 6: Electron Transport. Phonons.
due Monday, 12/02 at the time of the class
Instructor: D. L. Maslov
maslov@phys.u.edu 392-0513 Rm. 2114
Oce hours: TR 3 pm-4 pm
Please help your instructor by doing your work neatly. Every (

Problem 1 (A&M 1.4)
,
,
.
a) Seek steady-
state solution of the form:
,
.
,
,
.
,
,
The solution is:
where
The current density is:
where
b) From Maxwell equations,

PHZ6426: Fall 2012
Problem set # 1: Preamble: Solid State Physics in a Nutshell
due Wednesday, 09/05
Instructor: D. L. Maslov
maslov@phys.u.edu 392-0513 Rm. 2114
Oce hours: TR 3:00 p.m.-4:00 p.m.
Please help your instructor by doing your work neatly. Ever

PHZ6426: Fall 2012
Midterm
October 23, 2012
P1 (a) Construct one of the possible unit cells for a simple hexagonal lattice (Fig. 1) and specify the
basis vectors.
(b) Find the volume of the unit cell.
(c) Find the basis vectors of the reciprocal lattice.

Solid State Physics I
Tim Schlittenhardt
University of Florida - Fall 2012
August 22nd , 2012
Dr. Maslov, NPB 2114 - Oce Hours TR 3-4pm
Grader: Lili Deng - NPB 2111 - Oce Hours Unknown
Book: Physics of Condensed Matter - Misra
Grade: HW 30% (biweekly), Mi

PHZ6426: Fall 2012
Problem set # 4: Free-electron model; Boltzmann equation
due Monday, 10/22
Instructor: D. L. Maslov
maslov@phys.u.edu 392-0513 Rm. 2114
Oce hours: TR 3 pm-4 pm
Please help your instructor by doing your work neatly. Every (algebraic) nal

PHZ6426: Fall 2012
Problem set # 2: Crystal Structure: Solutions
due Monday, 09/24 at the time of the class
Instructor: D. L. Maslov
maslov@phys.u.edu 392-0513 Rm. 2114
Oce hours: TR 3 pm-4 pm
Please help your instructor by doing your work neatly. Every (

PHZ6426: Fall 2012
Problem set # 1: Preamble: Solid State Physics in a Nutshell
due Wednesday, 09/05
Instructor: D. L. Maslov
maslov@phys.u.edu 392-0513 Rm. 2114
Oce hours: TR 3:00 p.m.-4:00 p.m.
Please help your instructor by doing your work neatly. Ever