Manipulation of spin dephasing in InAs quantum wires

Details Manipulation of spin dephasing in InAs quantum wires Manipulation of spin dephasing in InAs quantum wires

2003-05-19

arxiv.org/abs/cond-mat/0305429v1

Solid State Commun. 128, 365 (2003)

Physics

Condensed Matter

4 pages, 3 figures

Scientific paper

10.1016/j.ssc.2003.08.033

The spin dephasing due to the Rashba spin-orbit coupling, especially its dependence on the direction of the electric field is studied in InAs quantum wire. We find that the spin dephasing is strongly affected by the angle of Rashba effective magnetic field and the applied magnetic field. The nonlinearity in spin dephasing time versus the direction of the electric field shows a potential evenue to manipulate the spin lifetime in spintronic device. Moreover, we figure out a quantity that can well represent the inhomogeneous broadening of the system which may help us to understand the many-body spin dephasing due to the Rashba effect.

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