Rashba spin-orbit coupling and spin precession in carbon nanotubes

Details Rashba spin-orbit coupling and spin precession in carbon nanotubes Rashba spin-orbit coupling and spin precession in carbon nanotubes

2005-06-29

arxiv.org/abs/cond-mat/0506761v2

J. Phys.: Cond. Matter 17, 5523 (2005)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

12 pages, published version

Scientific paper

10.1088/0953-8984/17/36/008

The Rashba spin-orbit coupling in carbon nanotubes and its effect on spin-dependent transport properties are analyzed theoretically. We focus on clean non-interacting nanotubes with tunable number of subbands $N$. The peculiar band structure is shown to allow in principle for Datta-Das oscillatory behavior in the tunneling magnetoresistance as a function of gate voltage, despite the presence of multiple bands. We discuss the conditions for observing Datta-Das oscillations in carbon nanotubes.

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