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cond-mat.mtrl-sci2026
Band Unfolding via the Quadratic Pseudospectrum
Christopher A. Bairnsfather, Ralph M. Kaufmann, Terry A. Loring +1
Band theory provides the foundation for understanding electronic structure in crystalline materials, but its reliance on exact translational symmetry limits its applicability to sy…
physics.app-ph2026
Nonabelian elastic metamaterials using holonomies acquired by crossing degeneracies
Mohit Kumar, Ralph M. Kaufmann, Fabio Semperlotti
Embedding nonabelian features into elastic metamaterials promises remarkable opportunities for wave control in many practical applications such as surface acoustic wave devices, mo…