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Magnetotransport in the Weyl semimetal in the quantum limit - the role of the topological surface states
Yuya Ominato, Mikito Koshino
We theoretically study the magnetoconductivity of the Weyl semimetal having a surface boundary under || geometry and demonstrate that the topological surface state plays an…
Dirac electrons on three-dimensional graphitic zeolites --- a scalable mass gap
Mikito Koshino, Hideo Aoki
A class of graphene wound into three-dimensional periodic curved surfaces ("graphitic zeolites") is proposed and their electronic structures are obtained to explore how the massles…
Magnetic susceptibility in three-dimensional nodal semimetals
Mikito Koshino, Intan Fatimah Hizbullah
We study the magnetic susceptibility in various three-dimensional gapless systems, including Dirac and Weyl semimetals and a line-node semimetal. The susceptibility is decomposed i…
Spin relaxation in hole-doped transition metal dichalcogenide monolayer and bilayer with the crystal defects
Tetsuro Habe, Mikito Koshino
We study the electronic spin relaxation effect in the hole-doped monolayer and bilayer transition-metal dichalcogenides in the presence of the crystal defects. We consider realisti…
Fractional fractal quantum Hall effect in graphene superlattices
Lei Wang, Yuanda Gao, Bo Wen +6
The Hofstadter energy spectrum provides a uniquely tunable system to study emergent topological order in the regime of strong interactions. Previous experiments, however, have been…
Electron transmission through the stacking domain boundary in multilayers graphene
Nguyen N. T. Nam, Mikito Koshino
We present a theoretical study on the electron transmission through the AB-BA stacking boundary in multilayer graphene. Using the tight-binding model and the transfer matrix method…