Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2009-03-21
Semicond. Sci. Technol. 24, 064005 (2009)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
10 pages, 4 figures, 1 table
Scientific paper
10.1088/0268-1242/24/6/064005
We investigate the transport properties of narrow quantum wires realized in disordered two-dimensional electron gases in the presence of k-linear Rashba and Dresselhaus spin-orbit interaction (SOI), and an applied in-plane magnetic field. Building on previous work [Scheid, et al., PRL 101, 266401 (2008)], we find that in addition to the conductance, the universal conductance fluctuations also feature anisotropy with respect to the magnetic field direction. This anisotropy can be explained solely from the symmetries exhibited by the Hamiltonian as well as the relative strengths of the Rashba and Dresselhaus spin orbit interaction and thus can be utilized to detect this ratio from purely electrical measurements.
Adagideli Inanc
Nitta Junsaku
Richter Klaus
Scheid Matthias
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