Low Energy Effective Hamiltonian for the Fractional Quantum Hall Effect

Details Low Energy Effective Hamiltonian for the Fractional Quantum Hall Effect Low Energy Effective Hamiltonian for the Fractional Quantum Hall Effect

1999-05-03

arxiv.org/abs/cond-mat/9905013v3

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages

Scientific paper

A low energy effective Hamiltonian for the fractional quantum Hall effect is obtained by using irreducible representations of the symmetry group. It is found that the model described by the effective Hamiltonian is similar to the Heisenberg spin chain. Symmetries of the effective Hamiltonian are studied in order to decompose the relevant Hilbert space. This decomposition will be useful for further numerical analysis on the gap of the quantum Hall system.

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