Quantum Computing for Dispersion Bands of Phononic Crystals

Research by Yunya Liu, Sharat Paul, and Pai Wang

University of Utah Department of Mechanical Engineering

Investigating the vibro-elastic dispersion relations of architected materials presents a significant challenge due to the complex interplay between the material's microstructure, inherent physical properties, and wave propagation characteristics. Liu, Paul, and Wang present dispersion band predictions for architected materials using the Dual-Adapt framework, which integrates adaptive ansatz and adaptive penalty with the Variational Quantum Deflation (VQD) method. The group's algorithm (Dual-Adapt-VQD) significantly improves the accuracy of predictions for multiple high-lying excited states, marking a pivotal step in equipping the meta-materials research community for the forthcoming quantum computing era.

For more information, please see the group's poster about the project.