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cond-mat.supr-con2026
Engineering kekule superconductivity from layer-selective interactions in rhombohedral graphene
Hung Dinh Nguyen, Yafis Barlas
At weak coupling, finite-momentum superconductivity is typically associated with broken time-reversal or inversion symmetry of the Fermi surface. Here, we show that lattice-scale p…
cond-mat.supr-con2026
Finite-momentum coupling of Higgs and Bardasis--Schrieffer modes in superconductors with competing pairing channels
Samuel Awelewa, Yafis Barlas, Maxim Dzero
In superconductors with competing pairing channels, two well defined excitations exist below the pair-breaking edge: the Higgs mode of the condensed -wave channel and the Bardas…