Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2002-08-27
J. Appl. Phys. 91, 6545 (2002)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
8 pages
Scientific paper
10.1063/1.1469202
A recursive Green's function technique is developed to calculate the spin-dependent conductance in mesoscopic structures. Using this technique, we study the spin-dependent electronic transport of quantum point contacts in the presence of the Rashba spin-orbit interaction. We observed that some oscillations in the `quantized' conductance are induced by the spin-orbit interaction, and indicated that the oscillations may stem from the spin-orbit coupling associated multiple reflections. It is also indicated that the 0.7 structure of the conductance observed in mesoscopic experiments would not stem from the spin-orbit interaction.
Hu Lian
Wang Zheng-Dong
Zhu Shi-Liang
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