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Edge photocurrent in bilayer graphene due to inter-Landau-level transitions
S. Candussio, M. V. Durnev, S. Slizovskiy +9
We report the observation of the resonant excitation of edge photocurrents in bilayer graphene subjected to terahertz radiation and a magnetic field. The resonantly excited edge ph…
In situ twistronics of van der Waals heterostructures
Yaping Yang, Jidong Li, Jun Yin +7
In van der Waals heterostructures, electronic bands of two-dimensional (2D) materials, their nontrivial topology, and electron-electron interactions can be dramatically changed by…
Edge photocurrent driven by THz electric field in bi-layer graphene
S. Candussio, M. V. Durnev, S. A. Tarasenko +10
We report on the observation of edge electric currents excited in bi-layer graphene by terahertz laser radiation. We show that the current generation belongs to the class of second…
Long-range ballistic transport of Brown-Zak fermions in graphene superlattices
Julien Barrier, Piranavan Kumaravadivel, Roshan Krishna-Kumar +16
In quantizing magnetic fields, graphene superlattices exhibit a complex fractal spectrum often referred to as the Hofstadter butterfly. It can be viewed as a collection of Landau l…
Tunable van Hove Singularities and Correlated States in Twisted Trilayer Graphene
Yanmeng Shi, Shuigang Xu, Mohammed M. Al Ezzi +16
Understanding and tuning correlated states is of great interest and significance to modern condensed matter physics. The recent discovery of unconventional superconductivity and Mo…