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'Metal'-like transport in high-resistance, high aspect ratio two-dimensional electron gases
Dirk Backes, Richard Hall, Michael Pepper +3
We investigate the striking absence of strong localisation observed in mesoscopic two-dimensional electron gases (2DEGs) (Baenninger et al 2008 Phys. Rev. Lett. 100 1016805, Backes…
Self assembled Wigner crystals as mediators of spin currents and quantum information
Bobby Antonio, Abolfazl Bayat, Sanjeev Kumar +2
Technological applications of many-body structures that emerge in gated devices under minimal control are largely unexplored. Here we show how emergent Wigner crystals in a semicon…
Interplay of hybrid and unhybrid quantum transport of interacting electron pairs through a short conduction channel
Danhong Huang, Godfrey Gumbs, Yonatan Abranyos +2
For quantum ballistic transport of electrons through a short conduction channel, the role of Coulomb interaction may significantly modify the energy levels of an electron pair at l…
Observation of geometry dependent conductivity in two-dimensional electron systems
Dirk Backes, Richard Hall, Michael Pepper +3
We report electrical conductivity measurements on a range of two-dimensional electron gases (2DEGs) of varying linear extent. Intriguingly, at low temperatures () and low ca…