Density dependent spin susceptibility and effective mass in interacting quasi-two dimensional electron systems

Abstract

Motivated by recent experimental reports, we carry out a Fermi liquid many-body calculation of the interaction induced renormalization of the spin susceptibility and effective mass in realistic two dimensional (2D) electron systems as a function of carrier density using the leading-order `ladder-bubble' expansion in the dynamically screened Coulomb interaction. Using realistic material parameters for various semiconductor-based 2D systems, we find reasonable quantitative agreement with recent experimental susceptibility and effective mass measurements. We point out a number of open questions regarding quantitative aspects of the comparison between theory and experiment in low-density 2D electron systems.

References in corpus (15)

• Correlation energy and spin polarization in the 2D electron gas
• Spin Degree of Freedom in a Two-Dimensional Electron Liquid
• The low-density spin susceptibility and effective mass of mobile electrons in Si inversion layers
• Spin Susceptibility of an Ultra-Low Density Two Dimensional Electron System
• Indication of the ferromagnetic instability in a dilute two-dimensional electron system
• Measurements of the density-dependent many-body electron mass in 2D GaAs/AlGaAs Heterostructures
• Spin-independent origin of the strongly enhanced effective mass in a dilute 2D electron system
• Parallel magnetic field induced giant magnetoresistance in low density {\it quasi}-two dimensional layers
• Spin polarization and g-factor of a dilute GaAs two-dimensional electron system
• Role of finite layer thickness in spin-polarization of GaAs 2D electrons in strong parallel magnetic fields
• Dependence of spin susceptibility of a two-dimensional electron system on the valley degree of freedom
• Quasiparticle effective mass divergence in two dimensional electron systems
• Temperature dependent effective mass renormalization in a Coulomb Fermi liquid
• Realization of an Interacting Two-Valley AlAs Bilayer System
• Dispersion Instability in Strongly Interacting Electron Liquids

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• Comment on "Effects of Thickness on the Spin Susceptibility of the Two Dimensional Electron Gas"
• Additional information for the paper `Attempt to distinguish long range temporal correlations from the statistics of the increments by natural time analysis' after its initial submission on February 25, 2006. Part II, Updated
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• Stoner Magnetism in an Inversion Layer
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