Spin Transition in Strongly Correlated Bilayer Two-Dimensional Electron Systems

2004/10/04 by I. B. Spielman, L. A. Tracy, Lisa A Tracy +3 · 3 citations
Physics and Astronomy · #Magnetic properties of thin films #Physics of Superconductivity and Magnetism #Quantum and electron transport phenomena #cond-mat.mes-hall

paper · pdf · doi:10.1103/physrevlett.94.076803

4 pages, 3 postscript figure

arxiv created 2004/10/04 · openalex publication_date 2005/02/25 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Using a combination of heat pulse and nuclear magnetic resonance techniques, we demonstrate that the phase boundary separating the interlayer phase coherent quantum Hall effect at nu(T) = 1 in bilayer electron gases from the weakly coupled compressible phase depends upon the spin polarization of the nuclei in the host semiconductor crystal. Our results strongly suggest that, contrary to the usual assumption, the transition is attended by a change in the electronic spin polarization.

Cited by

• Evidence for a Finite-Temperature Phase Transition in a Bilayer Quantum Hall System
• Clausius-Clapeyron relations for first-order phase transitions in bilayer quantum Hall systems
• Evidence of a first-order quantum phase transition of excitons in electron double layers