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PHY 521: Condensed Matter Physics I
Prof. S. Teitel stte@pas.rochester.edu ---- Spring 2014

March

January | February | March | April | May

Sunday Monday Tuesday Wednesday Thursday Friday Saturday
  1
2 3

lecture 12

Bravais lattices and crystal structures

4 5

lecture 13

Reciprocal lattice, Bragg and von Laue formulations of X-ray scattering

HW #3 due

6 7 8

spring break

9

spring break

10

spring break

11

spring break

12

spring break

13

spring break

14

spring break

15

spring break

16

spring break

17

lecture 14

X-ray scattering continued, X-ray scattering from Bravias lattice with a basis, preview of electrons in a periodic potential

18 19

lecture 15

Preview continued: Bloch's theorem, energy gaps at Bragg planes, Brillouin zones, Born-von Karmen boundary conditions

20 21

lecture 16

Fourier transforms on a Bravais lattice, Schrodinger's equation for electrons in a periodic potential, Bloch's theorem more rigorously, crystal momentum and band index

special make-up lecture 12:30

HW #4 due

22
23 24

lecture 17

Reduced, repeated, and extended zone schemes for electronic band structure, average velocity of a Bloch electron state, density of states, van Hove singularities, weak potential approximation for electron eigenstates

25 26

lecture 18

Weak potential approximation and the band gap, velocity of electron at a Bragg plane, metals and insulators

27 28 29
30 31

lecture 19

Weak potential approximation in 2D and 3D, Bravais lattice with a basis, Brillouin Zones and the Fermi surface in the weak potential approximation

2D Brillouin Zones