Spin susceptibility of an ultra-low-density two-dimensional electron system

J. Zhu, H. L. Stormer, L. N. Pfeiffer, K. W. Baldwin, K. W. West

Research output: Contribution to journalArticlepeer-review

171 Scopus citations


The polarization and density dependence of the enhanced spin susceptibility χ∼m*g* in a 2DES in GaAs/AlGaAs over a wide range of low densities. The analysis provides an explanation for the anomalous g factors reported recently in GaAs 2DeS and 2DHG. The susceptibility χ of the paramagnetic Fermi liquid increases with decreasing density, inqualitative agreement with recent QMC calculations.

Original languageEnglish (US)
Article number056805
Pages (from-to)056805/1-056805/4
JournalPhysical review letters
Issue number5
StatePublished - Feb 7 2003
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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