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cond-mat.supr-con2026
Exactly solvable pair-density wave in topological flat bands from magnetic translation symmetries
Zhengzhi Wu, Zhou-Quan Wan, Steven H. Simon
Pair-density wave (PDW) superconductors are exotic phases in which Cooper pairs carry finite center-of-mass momentum. Despite a variety of theoretical and experimental reports on P…
cond-mat.str-el2026
High-temperature charge-4e superconductivity in SU(4) interacting fermions
Shao-Hang Shi, Zhengzhi Wu, Jiangping Hu +1
The condensation of electron quartets, known as charge-4e superconductivity (SC), represents a novel quantum state of matter beyond the standard paradigm of Cooper pairing. However…