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cond-mat.mes-hall2026
Occupation-Driven Josephson Diode in a Symmetric Junction
Jianxiong Zhai, Zelei Zhang, Jiawei Yan
We propose a Josephson diode mechanism in which nonreciprocity arises not from a conventional asymmetric Andreev spectrum but from nonequilibrium occupation of the current-carrying…
cond-mat.supr-con2026
Many-body Josephson diode effect in superconducting quantum interferometers
Zelei Zhang, Jianxiong Zhai, Yi Zhang +1
We propose a many-body mechanism for a strong Josephson diode effect (JDE) in an interacting nanoscale SQUID formed by two parallel quantum dots coupled to superconducting leads. U…