Ethan in 2023

Ethan Ritz

I am an assistant professor at Harvey Mudd College. I run a computational materials lab and teach classes involving mechanics, system dynamics, and materials science. My main area of study is the phase change and thermal behavior of periodic crystalline systems, including piezoelectrics, ferroelectrics, and superconductors. I like thinking about how the symmetry of these systems helps constrain and define their behavior. I prefer combining simple analytical models informed by group theory with powerful computational techniques such as density functional theory. My undergraduate degree is from Harvey Mudd College (BS, Engineering 2012). My PhD is from Cornell University (Sibley School of Mechanical & Aerospace Engineering 2021), where I worked with Nicole Benedek to explore understand thermal expansion in ferrolectrics. I did a postdoc at the University of Minnesota with Turan Birol in the Theoretical Materials Physics Group, where I focused on a family of metallic Kagome systems.

HMC Engineering

2372 Parsons Hall
Harvey Mudd College
Claremont, CA, 91711
eritz~at~hmc~dot~edu


My Lab

Some Publications (Google Scholar):

Ritz, Ethan T., Rafael M. Fernandes, and Turan Birol. "Impact of Sb degrees of freedom on the charge density wave phase diagram of the kagome metal CsV3Sb5." Physical Review B 107.20 (2023): 205131. [link] [pdf]

Ritz, Ethan T., and Nicole A. Benedek. "Interplay between phonons and anisotropic elasticity drives negative thermal expansion in PbTiO3." Physical Review Letters 121.25 (2018): 255901. [link] [pdf]

Cheney, Nicholas, Ethan Ritz, and Hod Lipson. "Automated vibrational design and natural frequency tuning of multi-material structures." Proceedings of the 2014 Annual Conference on Genetic and Evolutionary Computation. 2014. [link] [pdf]

Office hours 
    Fall 2024: TBA
    Or pick a time to meet. Note on Calendly: please only use if you are currently in one of my classes or in my research group. I'm happy to meet with you otherwise, but please arrange one over email with me.

Courses Taught at HMC (most recent at top)
E79 - Introduction to Engineering Systems (F24, F23) 
E101 - Advanced Systems Engineering I (F24) 
E80 - Experimental Engineering (S24) 
E83 - Continuum Mechanics (S24)