Chemistry 348
Physical Chemistry for ISP
Spring 2019
Northwestern University
 Instructor: Todd Gingrich
 Office: Ryan 4018
 Office Hours: Thursdays 1 pm, Tech L221
 Telephone: 8474914048
 Email: todd.gingrich@northwestern.edu

 Lecture: Tech L221
 Time: MTuWF 11:50pm
 Textbook: Ian Ford, Statistical Physics: An Entropic Approach.
 Midterm Exam: Friday, May 24, 1 pm, Tech L221.
The course syllabus contains additional information about notes, evaluations, collaboration, programming assignments, and a course outline.
The course website (this site) will be used to post lecture notes, special notes, homework assignments, and homework solutions.
Lecture notes:
 Friday, May 3, 2019: Introduction to the course, steady states of dynamical systems, macroscopic versus microscopic measurements. [Notes]
 Tuesday, May 7, 2019: Microstates and macrostates, chaotic motivation for probabilistic treatement of microstates, relaxation to stationary state (of a Markov dynamics, not Hamiltonian dynamics). [Notes] [Mathematica demo] (which would require this package to run)
 Wednesday, May 8, 2019: Basic probability recap, equal a priori weights. [Notes]
 Friday, May 10, 2019: Random walks, Boltzmann entropy. [Notes]
 Monday, May 13, 2019: Random walk variance, Central Limit Theorem. [Notes]
 Tuesday, May 14, 2019: From equal a priori weights to the Boltzmann distribution. [Notes]
 Wednesday, May 15, 2019: Connecting beta with thermodynamic notions of temperature. [Notes]
 Thursday, May 16, 2019: Energy fluctuations, generating functions, and heat capacity. [Notes]
 Friday, May 17, 2019: Helmholtz free energy and the canonical partition function. [Notes]
 Monday, May 20, 2019: Office Hours, homework discussion.
 Tuesday, May 21, 2019: Cleaned up the thermodynamic limit and the connection between free energies and partition functions. [Notes]
 Wednesday, May 22, 2019: Free energy and reversible work. [Notes]
 Thursday, May 23, 2019: The reversible work theorem, irreversible work, and dissipation. [Notes]
 Friday, May 24, 2019: Exam.
 Tuesday, May 28, 2019: Potentials of mean force are not generators of dynamics, rates and stochastic treatment of twostate chemical isomerization kinetics. [Notes]
 Wednesday, May 29, 2019: Transition states, threestate kinetics with a rare intermediate. [Notes]
 Thursday, May 30, 2019: Office Hours, homework discussion.
 Friday, May 31, 2019: Diffusion. [Notes]
 Monday, June 3, 2019: Velocity autocorrelations, statistical independence of subsequent chunks of time yields diffusion. [Notes]
 Tuesday, June 4, 2019: Nonequilibrium work relations. [Notes]
 Thursday, June 6, 2019: Phase transitions and the Ising model. [Notes]
 Friday, June 7, 2019: Markov chain Monte Carlo or how to use a computer to calculate free energies. [Notes]
 Monday, June 10, 2019: Exam.
Homework assignments
will normally be made available on this website one week before they are due.
Late work will only be accepted if arrangements
are made in advance or if there are particularly exceptional
circumstances.