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17 papers · 2 filters
Roadmap on Nanoscale Magnetic Resonance Imaging
Raffi Budakian, Amit Finkler, Alexander Eichler +22
The field of nanoscale magnetic resonance imaging (NanoMRI) was started 30 years ago. It was motivated by the desire to image single molecules and molecular assemblies, such as pro…
Controllable Andreev Bound States in Bilayer Graphene Josephson Junction from Short to Long Junction Limits
Geon-Hyoung Park, Wonjun Lee, Sein Park +4
We demonstrate that the mode number of Andreev bound states in bilayer graphene Josephson junctions can be modulated by in situ control of the superconducting coherence length. By…
PT-symmetric Non-Hermitian Hopf Metal
Seik Pak, Cheol Hun Yeom, Sonu Verma +1
Hopf insulator is a representative class of three-dimensional topological insulators beyond the standard topological classification methods based on K-theory. In this letter, we di…
Room temperature electroluminescence from isolated colour centres in van der Waals semiconductors
Gyuna Park, Ivan Zhigulin, Hoyoung Jung +7
Defects in wide bandgap semiconductors have recently emerged as promising candidates for solid-state quantum optical technologies. Electrical excitation of emitters may pave the wa…
Interplay of valley, layer and band topology towards interacting quantum phases in moiré bilayer graphene
Yungi Jeong, Hangyeol Park, Taeho Kim +4
In Bernal-stacked bilayer graphene (BBG), the Landau levels give rise to an intimate connection between valley and layer degrees of freedom. Adding a moiré superlattice potential e…
Orbital magnetization senses the topological phase transition in a spin-orbit coupled - system
Lakpa Tamang, Sonu Verma, Tutul Biswas
The - system undergoes a topological phase transition(TPT) between two distinct quantum spin-Hall phases across when the spin-orbit interaction of Kane-Mele type is…