Composite Fermion Description of Correlated Electrons in Quantum Dots: Low Zeeman Energy Limit

Abstract

We study the applicability of composite fermion theory to electrons in two-dimensional parabolically-confined quantum dots in a strong perpendicular magnetic field in the limit of low Zeeman energy. The non-interacting composite fermion spectrum correctly specifies the primary features of this system. Additional features are relatively small, indicating that the residual interaction between the composite fermions is weak. \footnote{Published in Phys. Rev. B {\bf 52}, 2798 (1995).}

15 pages, 7 postscript figures

References in corpus (6)

• Sharp and Smooth Boundaries of Quantum Hall Liquids
• Addition Spectra of Quantum Dots in Strong Magnetic Fields
• Capacitance spectroscopy in quantum dots: Addition spectra and decrease of tunneling rates
• Composite Fermions in Quantum Dots
• Fractional Quantum Hall States in Low-Zeeman-Energy Limit
• Single-electron tunneling in the fractional quantum Hall effect regime

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• Special Analytical Solutions of the Schrödinger Equation for 2 and 3 Electrons in a Magnetic Field and ad hoc Generalizations to N Particles
• Intermediate Low Spin States in a Few-electron Quantum Dot in the $\nu \le 1$ Regime
• Magnetic Field Dependence of the Level Spacing of a Small Electron Droplet
• The maximum density droplet to lower density droplet transition in quantum dots
• Spectral properties of rotating electrons in quantum dots and their relation to quantum Hall liquids
• Correlated few-particle states in artificial bipolar molecule
• Power-law dependence of the angular momentum transition fields in few-electron quantum dots
• Discontinuities in the level density of small quantum dots under strong magnetic fields
• Even-Odd Effect in Spontaneously Coherent Bilayer Quantum Hall Droplets