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17 papers · 2 filters
Spectroscopic Characterization of Landau Level Splitting and the Intermediate v = 0 Phase in Bilayer Graphene
Long-Jing Yin, Li-Juan Shi, Li-Zhen Yang +2
Despite various novel broken symmetry states have been revealed in bilayer graphene (BLG) experimentally, the atomic-scale spectroscopic investigation has been greatly limited. Her…
Interface reflectivity of a superdiffusive spin current in ultrafast demagnetization and THz emission
Wen-Tian Lu, Yawen Zhao, Marco Battiato +2
The spin- and energy-dependent interface reflectivity of a ferromagnetic (FM) film in contact with a nonmagnetic (NM) film is calculated using a first-principles transport method a…
A Movable Valley Switch Driven by Berry Phase in Bilayer Graphene Resonators
Yi-Wen Liu, Zhe Hou, Si-Yu Li +2
Since its discovery, Berry phase has been demonstrated to play an important role in many quantum systems. In gapped Bernal bilayer graphene, the Berry phase can be continuously tun…
Antiferromagnetic Skyrmion-Based Logic Gates Controlled by Electric Currents and Fields
Xue Liang, Jing Xia, Xichao Zhang +6
Antiferromagnets are promising materials for future spintronic applications due to their unique properties including zero stray fields, robustness versus external magnetic fields a…
Photoemission Spectroscopic Evidence for the Dirac Nodal Line in Monoclinic Semimetal SrAs
Y. K. Song, G. W. Wang, S. C. Li +8
Topological nodal-line semimetals with exotic quantum properties are characterized by symmetry-protected line-contact bulk band crossings in the momentum space. However, in most of…
Majorana zero modes by engineering topological kink states in two dimensional electron gas
Shu-guang Cheng, Jie Liu, Haiwen Liu +3
Majorana zero modes (MZMs)--bearing potential applications for topological quantum computing--are verified in quasi-one-dimensional (1D) Fermion systems, including semiconductor na…