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quant-ph2026
Certifying Nonlocal Spin Quantum Entanglement from Local Tunneling Spectra
Payman Kazemikhah, Ruolun Zhang, Xiangyu Luo +4
Quantum entanglement is intrinsically nonlocal, whereas tunneling spectroscopy measures one site at a time. We show that this apparent mismatch can be overcome: local tunneling spe…
quant-ph2026
Imaging the topological sign of a Dirac mass with spin-polarized tunneling
Payman Kazemikhah, Ruolun Zhang, Byunghoon Kim +5
A Dirac mass is characterized not only by its magnitude but also by its sign, which influences the Berry curvature, Hall response, and the propagation direction of chiral boundary…