Ballistic Quantum Hole Wires

ORAL

Abstract

We present measurements of hole transport in ballistic quantum wires fabricated by GaAs/AlGaAs cleaved-edge overgrowth. We have developed a new, broadly applicable approach to analyzing the transport measurements of a ballistic one-dimensional system. Applying this analysis to our nonlinear conductance data, we find evidence for the importance of charge interactions for transport in the wires. Additionally, we extract the g-factor from measurements in magnetic field, and find strong g-factor anisotropy, which we associate with spin-orbit coupling.

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Authors

  • Rafi de Picciotto

    • B-Nano Ltd., Rehovot, Israel

  • Joseph Sulpizio

    • Department of Physics, Stanford University

  • Charis Quay

    • Department of Physics, Stanford University

  • David Goldhaber-Gordon

    • Department of Physics, Stanford University

  • K.W. West

    • Department of Electrical Engineering, Princeton University

  • L.N. Pfeiffer

    • Department of Electrical Engineering, Princeton University