Evidence for spin-orbit effects in an open ballistic quantum dot

Hackens, Benoît;Gustin, C.;Bayot, Vincent;Shayegan, M.
(2002) 14th International Conference on the Electronic Properties of Two-Dimensional Systems — Location: PRAGUE(Czech Republic) (30.July.2001)

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We report on magnetoconductance measurements of an open two-dimensional ballistic cavity in a tilted magnetic field. In agreement with Folk et al. (Phys. Rev. Lett. 86 (2001) 2102), we show that, due to an increasing spin-orbit interaction, the variance of conductance fluctuations decreases when a large in-plane magnetic field is applied. When the magnetic field is applied parallel to the 2DEG, we observe a negative magnetoconductance peak around zero total field, which is reminiscent of the weak antilocalization effect induced by spin-orbit interaction. (C) 2002 Elsevier Science B.V. All rights reserved.
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Hackens, B., Gustin, C., Bayot, V., & Shayegan, M. (2002). Evidence for spin-orbit effects in an open ballistic quantum dot. Physica E: Low-Dimensional Systems and Nanostructures, 12(1-4), 833-836. https://hdl.handle.net/2078.5/142050 (Original work published 2002)