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cond-mat.str-el2026
Electronic Sound and Diffusion in Disordered Multiband Metals
Miguel-Ángel Sánchez-Martínez, Blaise Goutéraux, Louk Rademaker +1
Multiband metals can host acoustic plasmons: gapless collective charge excitations involving out-of-phase motion of electrons in different bands, sometimes referred to as 'demons'.…
cond-mat.mes-hall2026
Fractal Topology of Majorana Bound States in Superconducting Quasicrystals
William Caiger, Felix Flicker, Miguel-Ángel Sánchez-Martínez
Quasicrystalline order induces a fractal energy spectrum, yet its impact on topological protection remains an open fundamental question. Here, we demonstrate that the topological p…