Altermagnets and topological transport
Gate control, proximity effects, and spin-dependent transport in altermagnetic systems.
Related work →
Quantum transport · Topological matter
Xian-Zhang Chen陈宪章
Research Assistant Professor
Ningbo Institute of Digital Twin & Eastern Institute of Technology, Ningbo
Ningbo, China · xzchen@idt.eitech.edu.cn
Research
Questions that guide my work
Majorana modes and quantum devices
Topological superconductivity and magnetic platforms for controlling Majorana modes.
Related work →Graphene and mesoscopic physics
Scanning gate microscopy, quantum scars, and the interplay of interactions and spectral statistics.
Related work →Selected work
From models to transport signatures
2026 · preprintAltermagnetic topology
arXiv:2603.06487
Altermagnets Enable Gate-Switchable Helical and Chiral Topological Transport with Spin-Valley-Momentum-Locked Dual Protection
Gate-switchable helical and chiral topological transport in altermagnets with spin-valley-momentum locking.
Phys. Rev. B 107, 085420 (2023)
Scanning gate microscopy in graphene nanostructures
Theory and numerical modeling of scanning gate microscopy in graphene nanostructures.
Analytical derivation, numerical calculations and analysis, figures, and manuscript development.
Phys. Rev. B 101, 085404 (2020)
Transport signatures of relativistic quantum scars in a graphene cavity
Transport signatures that connect relativistic quantum scars with measurements in a graphene cavity.
Co-first author; numerical simulations, analysis of experimental results, and supplementary material writing.
Recent updates
News & milestones
Altermagnetic Proximity Effect published in Physical Review Letters
Our collaborative work on the altermagnetic proximity effect appeared in Phys. Rev. Lett. 136, 186702 (2026).
Magnetoelectric coupling in perovskite altermagnets
Our collaborative study of symmetry-driven magnetoelectric coupling appeared in Advanced Science, e00004 (2026).
New preprint on gate-switchable topological transport
Our preprint investigates helical and chiral topological transport in altermagnets with spin-valley-momentum locking (arXiv:2603.06487).