Possible Spin Polarization in a One-Dimensional Electron Gas

Details Possible Spin Polarization in a One-Dimensional Electron Gas Possible Spin Polarization in a One-Dimensional Electron Gas

1996-06-03

arxiv.org/abs/cond-mat/9606004v1

Physics

Condensed Matter

Ten pages with four ps figures. Accepted for publication in Phys. Rev. Lett. (17. June 1996)

Scientific paper

10.1103/PhysRevLett.77.135

In zero magnetic field, conductance measurements of clean one-dimensional (1D) constrictions defined in GaAs/AlGaAs heterostructures show twenty-six quantized ballistic plateaux, as well as a structure close to $0.7(2e^2/h)$. In an in-plane magnetic field all the 1D subbands show Zeeman splitting and in the wide channel limit the $g$-factor is $\mid g \mid = 0.4$, close to that of bulk GaAs. For the last subband spin-splitting originates from the structure at $0.7(2e^2/h)$, indicating spin polarization at $B=0$. The measured enhancement of the $g$-factor as the subbands are depopulated suggests that the ``0.7 structure'' is induced by electron-electron interactions.

Affiliated with

Also associated with

No associations

Rating

Possible Spin Polarization in a One-Dimensional Electron Gas does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Possible Spin Polarization in a One-Dimensional Electron Gas, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Possible Spin Polarization in a One-Dimensional Electron Gas will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-184558