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

2 Scopus citations

Abstract

We determine the spin susceptibility in a two-dimensional electron system in [Formula presented] over a wide range of low densities from [Formula presented] to [Formula presented]. Our data can be fitted to an equation that describes the density dependence as well as the polarization dependence of the spin susceptibility. It can account for the anomalous [Formula presented] factors reported recently in GaAs electron and hole systems. The paramagnetic spin susceptibility increases with decreasing density as expected from theoretical calculations.

Original languageEnglish (US)
Pages (from-to)4
Number of pages1
JournalPhysical review letters
Volume90
Issue number5
DOIs
StatePublished - 2003

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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