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Influence of nuclear spin polarization on quantum wire conductance

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3 Author(s)
Nesteroff, J.A. ; Dept. of Electr., Clarkson Univ., Potsdam, NY, USA ; Pershin, Yuriy V. ; Privman, V.

In this study, we study a possibility to measure the transverse and longitudinal relaxation times of a collection of polarized nuclear spins located in the region of a quantum wire via its conductance. The interplay of an external in-plane magnetic field, spin-orbit interaction, and the changing field of the spin-polarized nuclei cause the conductance of the quantum wire to evolve in time. We show that it is possible to extract the transverse and longitudinal relaxation times of the spin-polarized nuclei from the time dependence of the conductance.

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Nanotechnology, IEEE Transactions on  (Volume:4 ,  Issue: 1 )