Lecture Notes from PHYS603 - Methods of Statistical Mechanics, as taught by Dr. Paulo Bedaque in the Spring, 2016 semester. Lecture 1 (02/02/16): Foundations of Statistical Mechanics - Tricks to Doing Statistical Mechanics - Classical Systems & Phase Space - Ergodic Hypothesis & Ergodic Systems - Computing Observables - Introducing Thermodynamics Lecture 2 (02/04/16): Fundamentals of Entropy - Ensembles & Macro/microstates - The Archetypical Thermodynamics Problem - Potential Energy -> # of microstates -> Entropy - Liouville's Theorem and the Incompressibility of Hamiltonian Flow - The Case of Mixing Systems (Ergodic Systems) Lecture 3 (02/09/16): Thermodynamics - Relevant Properties of Entropy - Solving for E(S,V,N) - Equations of State - Non-relativistic, Monoatomic, Non-interacting Gas Example Lecture 4 (02/11/16): Energy & Entropy from Equations of State - Quantum Statistical Correction to our Entropy Equation - Equations of State for a Free Gas - Euler Relation - Recovering Energy & Entropy Lecture 5 (02/18/16): Efficiency of Machines - The Carnot Cycle - Quasi-Static Approximation - Stability Lecture 6 (02/23/16): Stability - Stability - Isothermal Compressibility - The Canonical Ensemble Lecture 7 (02/25/16): Legendre Transform of Ensembles - Canonical Ensembles - The Thermodynamical Limit - Legendre Transforms - Helmholtz Free Energy Lecture 8 (03/01/16): Free Energy - Helmholtz Free Energy - Ideal Gas Example - Solid with Magnetic Dipoles example - Independent Harmonic Oscillators example Lecture 9 (03/03/16): Quantum Statistical Mechanics - Independent Harmonic Oscillators example - Quantum Statistical Mechanics - Density Matrices - Quantum Harmonic Oscillators example