PHY4905: Spring 2012
Problem set # 1: Preamble: Solid State Physics in a Nutshell
due Wednesday, 01/25
Instructor: D. L. Maslov
[email protected] 392-0513 Rm. 2114
Oce hours: WF 2:00 p.m.-4:00 p.m.
Please help your instructor by doing your work neatly. Ev
PHY4905: Spring 2012
Problem set # 4: Quantum transport; bandstructure; graphene.
Solutions
.
1. In class, we showed that current through 1D ballistic conductor is given by the Landauer formula
I=
2e
h
0
d [f () f ( + eV )] ,
where V is the source-drain b
PHY4905: Spring 2012
Problem set # 3: Lattice Dynamics and Free-electron Model:
Solutions
Instructor: D. L. Maslov
[email protected] 392-0513 Rm. 2114
Oce hours: WF 2:00 p.m.-4:00 p.m.
Please help your instructor by doing your work neatly. Every (algebrai
PHY4905: Spring 2012
Problem set # 1: Preamble: Solid State Physics in a Nutshell
due Wednesday, 01/25
Instructor: D. L. Maslov
[email protected] 392-0513 Rm. 2114
Oce hours: WF 2:00 p.m.-4:00 p.m.
Please help your instructor by doing your work neatly. Ev
PHY4905: Intro to Solid State Physics
Tight-binding Model
D. L. Maslov
Department of Physics, University of Florida
REMINDER: TUNNELING
Quantum particles can penetrate into regions where classical motion is forbidden. For example, consider a rectangular p
PHY4905: Spring 2012
Midterm exam
Solutions
.
1. Bi-layer graphene consists of two coupled graphene monolayers. Tunneling between the layers
changes the energy spectrum compared to the monolayer case: there are still two bands
(electrons and holes) which
PHY4905: Spring 2012
Problem set # 4: Quantum transport; bandstructure; graphene.
Solutions
.
1. In class, we showed that current through 1D ballistic conductor is given by the Landauer formula
I=
2e
h
0
d [f () f ( + eV )] ,
where V is the source-drain b
PHY4905: Spring 2012
Problem set # 3: Lattice Dynamics and Free-electron Model:
Solutions
Instructor: D. L. Maslov
[email protected] 392-0513 Rm. 2114
Oce hours: WF 2:00 p.m.-4:00 p.m.
Please help your instructor by doing your work neatly. Every (algebrai
mmmmWmewmmfAyw A+mmmm .__,._H....._..m_m._mwm. .HAMmmwmmmwmm
at: a, cm+qjae;u'%)= a. 45;": 7
W m WWW _Tm__._WWW4W.,WwvWmm..."MW.MwWMWMWmMMa_.MWMWWWW.WWNMWWWWWWW m w. m M
i
.wmmmmmwgmwmmmm_mm_mmggamemmwwwmmmmwwmmmmmmwmmmwmwwwwmmwm
at 72:3?
. mu...
PHY4905: Spring 2012
Midterm exam
Solutions
.
1. Bi-layer graphene consists of two coupled graphene monolayers. Tunneling between the layers
changes the energy spectrum compared to the monolayer case: there are still two bands
(electrons and holes) which