Hund's Rule for Monopole Harmonics, or Why the Composite Fermion Picture Works

Abstract

The success of the mean field composite Fermion (MFCF) picture in predicting the lowest energy band of angular momentum multiplets in fractional quantum Hall systems cannot be found in a cancellation between the Coulomb and Chern--Simons interactions beyond the mean field, due to their totally different energy scales. We show that the MFCF approximation can be regarded as a kind of semi-empirical Hund's rule for monopole harmonics. The plausibility of the rule is easily established, but rigorous proof relies on comparison with detailed numerical calculations.

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References in corpus (3)

• ``Fermi Liquid'' Shell Model Approach to Composite Fermion Excitation Spectra in Fractional Quantum Hall States
• The Composite Fermion Hierarchy: Condensed States of Composite Fermion Excitations?
• Composite Fermion Approach to the Quantum Hall Hierarchy: When it Works and Why

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