Magnetization of a strongly interacting two-dimensional electron system in perpendicular magnetic fields

Abstract

We measure the thermodynamic magnetization of a low-disordered, strongly correlated two-dimensional electron system in silicon in perpendicular magnetic fields. A new, parameter-free method is used to directly determine the spectrum characteristics (Lande g-factor and the cyclotron mass) when the Fermi level lies outside the spectral gaps and the inter-level interactions between quasiparticles are avoided. Intra-level interactions are found to strongly modify the magnetization, without affecting the determined g* and m*.

As published

References in corpus (10)

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• Metal-Insulator Transition in Disordered Two-Dimensional Electron Systems
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• Metal-insulator transitions and the effects of electron-electron interactions in two-dimensional electron systems
• The thermodynamic spin magnetization of strongly correlated 2d electrons in a silicon inversion layer
• Small Angle Shubnikov-de Haas Measurements in Silicon MOSFET's: the Effect of Strong In-Plane Magnetic Field
• Pauli spin susceptibility of a strongly correlated two-dimensional electron liquid
• Strong enhancement of the valley splitting in a 2D electron system in silicon
• Direct measurements of the spin and the cyclotron gaps in a 2D electron system in silicon

Cited by in corpus (18)

• Flow diagram of the metal-insulator transition in two dimensions
• Coulomb Correlations and the Wigner-Mott Transition
• Recent developments in the field of the metal-insulator transition in two dimensions
• Strongly enhanced effective mass in dilute two-dimensional electron systems: System-independent origin
• Magnetization in two-dimensional electron gas in a perpendicular magnetic field: the roles of edge states and spin-orbit coupling
• Metal-insulator transition and low-density phases in a strongly-interacting two-dimensional electron system
• Branch-cut Singularities in Thermodynamics of Fermi Liquid Systems
• Alternative method for the quantitative determination of Rashba- and Dresselhaus spin-orbit interaction using the magnetization
• Two-dimensional system of strongly interacting electrons in silicon (100) structures
• A metal-insulator transition in 2D: Established facts and open questions
• Conductivity of a spin-polarized two-dimensional electron liquid in the ballistic regime
• Manifestation of strong correlations in transport in ultra-clean SiGe/Si/SiGe quantum wells
• Spin independence of the strongly enhanced effective mass in ultra-clean SiGe/Si/SiGe two-dimensional electron system
• Measurements of the magnetic properties of conduction electrons
• Spin susceptibility and polarization field in a dilute two-dimensional electron system in (111) silicon
• Microwave response of interacting oxide two-dimensional electron systems
• Shear Bernstein modes in a two-dimensional electron liquid
• Magnetic instability and spin-glass order beyond the Anderson-Mott transition in interacting power-law random banded matrix fermions