Effect of Screening on Spin Polarization in a Two-Dimensional Electron Gas

Details Effect of Screening on Spin Polarization in a Two-Dimensional Electron Gas Effect of Screening on Spin Polarization in a Two-Dimensional Electron Gas

2003-06-19

arxiv.org/abs/cond-mat/0306515v1

Physics

Condensed Matter

Strongly Correlated Electrons

7 pages, 3 figures

Scientific paper

10.1016/j.physe.2003.12.041

The experimentally observed amazing dependence of a critical magnetic field Bc of a full field-induced spin polarization and a spin susceptibility of a two-dimensional electron gas on the electron density can be explained by screening of the Coulomb potential. The possibility of spontaneous full spin polarization expected at lower electron densities also crucially depends on screening.

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