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Suppression of scattering in quantum confined 2D helical Dirac systems

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Academic year: 2021

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Figure

FIG. 1. a) 2D band structure of a massless fermion system with spin-momentum locking. The planes correspond to the section of the cone for discrete values of the transverse wave vector due to quantum confinement
FIG. 2. The transmission of the transverse modes calcu- calcu-lated and disorder-averaged for different disorder strength g (0, 0.02, 0.2 and 1) ranging from the ballistic to the diffusive regime
FIG. 3. Upper panel: Energy dependence of the conductance.
FIG. 4. Upper panel: Energy dependence of Aharonov-Bohm oscillations for g = 0.02 (γ 0 = 0.43 and γ 1 = −0.92) at a temperature 4k B T /∆ = 0.01
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keywords: Coulomb gas, one-component plasma, random matrices, Ginibre ensemble, Fekete sets, Abrikosov lattice, triangular lattice, renormalized energy, large deviations,