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cond-mat.mes-hall2024★ 2 cited
Scaling analysis of quantum geometry in second-order nonlinear transport
Zhen-Hao Gong, Z. Z. Du, Hai-Peng Sun +2
Quantum geometry encodes the structure of the Hilbert space of Bloch states and can be accessed through nonlinear transport. Yet, disorder-induced mechanisms generically contribute…
cond-mat.supr-con2024★ 37 cited
Tunable second harmornic in altermagnetic Josephson junctions
Hai-Peng Sun, Song-Bo Zhang, Chang-An Li +1
We study the influence of external electric and Zeeman fields on the Josephson effect in a planar superconductor/altermagnet/superconductor junction. Remarkably, we find that the c…