This is an archival listing of my notes from 2013.

December 04, 2013 Superconductivity (cont.)

December 04, 2013 Drude conductivity and doped semiconductors

December 02, 2013 Superconductivity

December 01, 2013 Intro to semiconductor physics

December 01, 2013 Electron-phonon scattering

November 26, 2013 Electron band structure, density of states, and effective mass

November 22, 2013 Electric current (cont.)

November 20, 2013 Tight Binding

November 18, 2013 Electrical transport (cont.)

November 15, 2013 Semiconductors

November 13, 2013 Thomas-Fermi screening, and nearly free electron model

November 11, 2013 3 dimensional band structures, Fermi surfaces of real metals

November 05, 2013 Fourier coefficient integral for periodic function

November 04, 2013 Tight binding model

November 04, 2013 Fermi properties, free electron specific heat, bulk modulus

November 01, 2013 Nearly free electron model, periodic potential (cont.)

October 29, 2013 Free electron model of metals

October 28, 2013 Electrons in a periodic lattice

October 23, 2013 Huygens diffraction

October 21, 2013 Free electron model (cont.)

October 20, 2013 Anharmonic oscillator

October 20, 2013 Exponential solutions to second order linear system

October 18, 2013 Free electron model of metals

October 17, 2013 Density of states and Deybe temperature

October 11, 2013 Discrete Fourier transform

October 11, 2013 Thermal properties

October 11, 2013 Diffraction and phonons

October 07, 2013 Thermal properties

October 04, 2013 Phonons (cont.)

October 04, 2013 Reciprocal lattice and Ewald construction

October 01, 2013 Structure factor

September 27, 2013 Diffraction

September 26, 2013 Bonding and lattices

September 23, 2013 General theory of diffraction

September 21, 2013 Crystal structures

September 19, 2013 Orbitals, bonding and lattice calculations

September 16, 2013 Bonding and lattice structure

September 16, 2013 Bonding and lattice structures

September 09, 2013 Course overview

September 05, 2013 Large volume fermi gas density

May 30, 2013 Bernoulli polynomials and numbers and Euler-MacLauren summation

May 09, 2013 Bose gas specific heat above condensation temperature

May 09, 2013 A dumb expansion of the Fermi-Dirac grand partition function

April 30, 2013 Ultra relativistic spin zero condensation temperature

April 30, 2013 Summary of statistical mechanics relations and helpful formulas

April 24, 2013 Low temperature Fermi gas chemical potential

April 21, 2013 Fermi function expansion for thermodynamic quantities

April 20, 2013 Relativistic Fermi Gas

April 10, 2013 Non integral binomial coefficient

April 10, 2013 energy distribution around mean energy

April 09, 2013 Velocity volume element to momentum volume element

April 04, 2013 Phonon modes

April 03, 2013 BEC and phonons

April 03, 2013 Max entropy, fugacity, and Fermi gas

April 02, 2013 Bosons

April 02, 2013 Relativistic density of states

March 28, 2013 Bosons

March 27, 2013 Fermi gas

March 26, 2013 Fermi gas thermodynamics

March 26, 2013 Fermi gas thermodynamics

March 23, 2013 Relativisitic generalization of statistical mechanics

March 21, 2013 Kittel Zipper problem

March 18, 2013 Pathria chapter 4 diatomic molecule problem

March 17, 2013 Gibbs sum for a two level system

March 16, 2013 open system variance of N

March 16, 2013 probability forms of entropy

March 14, 2013 Grand Canonical/Fermion-Bosons

March 13, 2013 Quantum anharmonic oscillator

March 12, 2013 Grand canonical ensemble

March 11, 2013 Heat capacity of perturbed harmonic oscillator

March 10, 2013 Langevin small approximation

March 10, 2013 Addition of two one half spins

March 10, 2013 Midterm II reflection

March 07, 2013 Thermodynamic identities

March 06, 2013 Temperature

March 05, 2013 Interacting spin

February 28, 2013 Rotation of diatomic molecules

February 28, 2013 Helmholtz free energy

February 26, 2013 Statistical and thermodynamic connection

February 24, 2013 Ideal gas

February 16, 2013 One dimensional well problem from Pathria chapter II

February 15, 2013 1D pendulum problem in phase space

February 14, 2013 Continuing review of thermodynamics

February 13, 2013 Lightning review of thermodynamics

February 11, 2013 Cartesian to spherical change of variables in 3d phase space

February 10, 2013 n SHO particle phase space volume

February 10, 2013 Change of variables in 2d phase space

February 10, 2013 Some problems from Kittel chapter 3

February 07, 2013 Midterm review, thermodynamics

February 06, 2013 Limit of unfair coin distribution, the hard way

February 05, 2013 Ideal gas and SHO phase space volume calculations

February 03, 2013 One dimensional random walk

February 02, 2013 1D SHO phase space

February 02, 2013 Application of the central limit theorem to a product of random vars

January 31, 2013 Liouville's theorem questions on density and current

January 30, 2013 State counting

January 29, 2013 Poisson distribution from binomial using Stirling's approximation

January 29, 2013 Volumes in phase space

January 27, 2013 hypersphere volume calculation the easy way

January 23, 2013 Motion in phase space. Liouville and Poincar'e theorems.

January 20, 2013 Generating functions and diffusion

January 17, 2013 Maxwell distribution for gases

January 16, 2013 Random walk

January 13, 2013 Problem Set 1: Binomial distributions

January 11, 2013 Probability

January 10, 2013 What is statististical mechanics and equilibrium

January 10, 2013 Some problems from Kittel Thermal Physics, chapter II

January 06, 2013 Parallel axis theorem class notes from course audit

January 05, 2013 Problem set 2 (2012) incomplete attempt at the problem set 2 questions.

January 04, 2013 Tangent planes and normals in three and four dimensions
Figure out how to express a surface normal in 3d and a "volume" normal in 4d.