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Possible Spin Polarization in a One-Dimensional Electron Gas
K. J. Thomas, J. T. Nicholls, M. Y. Simmons +3
In zero magnetic field, conductance measurements of clean one-dimensional (1D) constrictions defined in GaAs/AlGaAs heterostructures show twenty-six quantized ballistic plateaux, a…
Re-entrant resonant tunneling
V. V. Kuznetsov, A. K. Savchenko, M. E. Raikh +4
We study the effect of electron-electron interactions on the resonant-tunneling spectroscopy of the localized states in a barrier. Using a simple model of three localized states, w…
Tunneling Between Two-Dimensional Electron Gases in a Weak Magnetic Field
N. Turner, J. T. Nicholls, K. M. Brown +4
We have measured the tunneling between two two-dimensional electron gases (2DEGs) in weak magnetic fields, when the carrier densities of the two electron layers are matched. At zer…