Electronic transport through nuclear-spin-polarization-induced quantum wire

Details Electronic transport through nuclear-spin-polarization-induced quantum wire Electronic transport through nuclear-spin-polarization-induced quantum wire

2001-09-25

arxiv.org/abs/cond-mat/0109459v2

Phys. Rev. B 66, 035303 (2002)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 4 figures

Scientific paper

10.1103/PhysRevB.66.035303

Electron transport in a new low-dimensional structure - the nuclear spin polarization induced quantum wire (NSPI QW) is theoretically studied. In the proposed system the local nuclear spin polarization creates the effective hyperfine field which confines the electrons with the spins opposite to the hyperfine field to the regions of maximal nuclear spin polarization. The influence of the nuclear spin relaxation and diffusion on the electron energy spectrum and on the conductance of the quantum wire is calculated and the experimental feasibility is discussed.

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