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19 papers · 2 filters
Effect of chiral symmetry on chaotic scattering from Majorana zero modes
H. Schomerus, M. Marciani, C. W. J. Beenakker
In many of the experimental systems that may host Majorana zero modes, a so-called chiral symmetry exists that protects overlapping zero modes from splitting up. This symmetry is o…
Moire superlattice effects in graphene/boron-nitride van der Waals heterostructures
J. R. Wallbank, M. Mucha-Kruczynski, Xi Chen +1
Van der Waals heterostructures of graphene and hexagonal boron nitride feature a moiré superlattice for graphene's Dirac electrons. Here, we review the effects generated by this su…
k.p theory for two-dimensional transition metal dichalcogenide semiconductors
Andor Kormányos, Guido Burkard, Martin Gmitra +4
We present Hamiltonians parametrised by {\it ab initio} density functional theory calculations to describe the dispersion of the valence and conduction…
Strain-induced modifications of transport in gated graphene nanoribbons
Diana A. Cosma, Marcin Mucha-Kruczynski, Henning Schomerus +1
We investigate the effects of homogeneous and inhomogeneous deformations and edge disorder on the conductance of gated graphene nanoribbons. Under increasing homogeneous strain the…
Twist-controlled resonant tunnelling in graphene-boron nitride-graphene heterostructures
A. Mishchenko, J. S. Tu, Y. Cao +19
Recent developments in the technology of van der Waals heterostructures made from two-dimensional atomic crystals have already led to the observation of new physical phenomena, suc…
Moire pattern as a magnifying glass for strain and dislocations in van der Waals heterostructures
Diana A. Cosma, John R. Wallbank, Vadim Cheianov +1
We consider the role of deformations in graphene heterostructures with hexagonal crystals (including strain, wrinkles and dislocations) on the geometrical properties of moire patte…