5 papers
Gate-Tunable Ambipolar Josephson Current in a Topological Insulator
Bomin Zhang, Xiaoda Liu, Junjie Qi +9
Dirac surface states in a topological insulator (TI) with proximity-induced superconductivity offer a promising platform for realizing topological superconductivity and Majorana ph…
Domain Wall Engineering in Graphene-Based Josephson Junctions
Xia'an Du, Junjie Qi, Hua Jiang +1
Recent progress has enabled the controlled fabrication of domain walls (DWs) in graphene, which host topological kink states. Meanwhile, reliable techniques for constructing graphe…
Non-Hermitian superconducting diode effect
Junjie Qi, Ming Lu, Jie Liu +2
The study of non-reciprocal phenomena has long captivated interest in both Hermitian and non-Hermitian systems. The superconducting diode effect (SDE) is a non-reciprocal phenomeno…
Edge supercurrent in Josephson junctions based on topological materials
Junjie Qi, Chui-Zhen Chen, Juntao Song +4
The interplay between novel topological states and superconductivity has garnered substantial interest due to its potential for topological quantum computing. The Josephson effect…
Anomalous Fraunhofer-like patterns in quantum anomalous Hall Josephson junction
Junjie Qi, Haiwen Liu, Jie Liu +5
The intriguing interplay between topology and superconductivity has attracted significant attention, given its potential for realizing topological superconductivity. In the quantum…