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

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

1998-10-07

arxiv.org/abs/cond-mat/9810079v1

Solid State Commun. 110, 45 (1999)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

RevTeX + 3 EPS figures formatted in the text with epsf.sty

Scientific paper

10.1016/S0038-1098(99)00004-6

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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