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cond-mat.supr-con2025★ 1 cited
Enhanced Superconducting Diode Effect in the Asymmetric Hatsugai-Kohmoto Model
Kai Chen, Pavan Hosur
The superconducting diode effect (SDE), characterized by a nonreciprocal supercurrent, has attracted significant attention in recent years due to its potential applications. Howeve…
cond-mat.mes-hall2025★ 2 cited
Non-Hermitian quantum geometric tensor and nonlinear electrical response
Kai Chen, Jie Zhu
We demonstrate that the non-Hermitian quantum geometric tensor (QGT) governs nonlinear electrical responses in systems with a spectral line gap. The quantum metric, which is the sy…
cond-mat.supr-con2025★ 1 cited
The Effect of the Non-Abelian Quantum Metric on Superfluidity
Kai Chen, Bishnu Karki, Pavan Hosur
The quantum geometric tensor, which encodes the full geometric information of quantum states in projective Hilbert space, plays a crucial role in condensed matter physics. In this…