Weak localization is reported for the first time in twisted bilayer graphene, with extracted phase coherence and intervalley scattering lengths indicating electron-electron dephasing and point-defect intervalley scattering.
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In dual-gated bilayer graphene n/p junctions, orthogonal pseudospin polarizations between propagating and evanescent modes revive Klein tunneling, with a variable Berry phase and a π jump in reflection phase.
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Weak localization and universal conductance fluctuations in large area twisted bilayer graphene
Weak localization is reported for the first time in twisted bilayer graphene, with extracted phase coherence and intervalley scattering lengths indicating electron-electron dephasing and point-defect intervalley scattering.
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Evanescent-mode-assisted Klein tunneling in dual-gated bilayer graphene
In dual-gated bilayer graphene n/p junctions, orthogonal pseudospin polarizations between propagating and evanescent modes revive Klein tunneling, with a variable Berry phase and a π jump in reflection phase.