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Spin-Orbit Coupling and Tunneling Current in a Parabolic Quantum Dot | | Hong-Yi Chen
; Vadim Apalkov
; Tapash Chakraborty
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; | | Date: |
19 Jun 2006 | | Subject: | Mesoscopic Systems and Quantum Hall Effect | | Abstract: | We propose a novel approach to explore the properties of a quantum dot in the presence of the spin-orbit interaction and in a tilted magnetic field. The spin-orbit coupling within the quantum dot manifest itself as anti-crossing of the energy levels when the tilt angle is varied. The anti-crossing gap has a non-monotonic dependence on the magnitude of the magnetic field and exhibits a peak at some finite values of the magnetic field. From the dependence of the tunneling current through the quantum dot on the bias voltage and the tilt angle, the anti-crossing gap and most importantly the spin-orbit strength can be uniquely determined. | | Source: | arXiv, cond-mat/0606500 | | Services: | Forum | Review | PDF | Favorites | |
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