2 papers
cond-mat.mtrl-sci2026
Nonreciprocal topological kink-wave propagation in mechanical metamaterials
Brahim Lemkalli, Qingxiang Ji, Jingyi Zhang +3
Nonlinear mechanical metamaterials can exhibit emergent transport phenomena that mimic topological protection without relying on linear band topology. Here, we realize a bifurcatio…
cond-mat.mes-hall2024
Unconventional superconductivity in magic-strain graphene superlattices
Qingxiang Ji, Bohan Li, Johan Christensen +2
Extensive investigations on the Moiré magic-angle have been conducted in twisted bilayer graphene, unlocking the mystery of unconventional superconductivity and insulating states.…