Influence of Nuclear Spin Polarization on Quantum Wire Conductance

Details Influence of Nuclear Spin Polarization on Quantum Wire Conductance Influence of Nuclear Spin Polarization on Quantum Wire Conductance

2004-06-15

arxiv.org/abs/cond-mat/0406337v1

IEEE Trans. Nanotech. 4, 141-147 (2005)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Presented at the 2004 IEEE NTC Quantum Device Technology Workshop

Scientific paper

10.1109/TNANO.2004.837855

In this work, 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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