3 papers
cond-mat.mtrl-sci2026
Evolution of the Saddle Point in Antimony Telluride Homologous Superlattices
Yi-Hsin Shen, Shane Smolenski, Ming Wen +13
Combining topological insulators with topological semimetals in the form of homologous superlattices is a promising approach for generating correlated quantum matter based upon Fer…
cond-mat.mes-hall2025
Failure of the Goldstone Theorem for Vector Fields and Boundary-Mode Proliferation in Hyperbolic Lattices
Daniel Sela, Nan Cheng, Kai Sun
Hyperbolic lattices extend crystallinity into curved space, where negative curvature and exponentially large boundaries reshape collective excitations beyond Euclidean intuition. I…
cond-mat.soft2025
Lyapunov exponents explain disorder-induced polarization and soliton teleportation in a mechanical Markov system
Will Stephenson, Nan Cheng, Kai Sun +1
Using a mapping between spatial disorder and temporal stochasticity, we develop a new framework using Lyapunov exponents to explain exotic wave localization and mobility phenomena…