Characterization of fractional-quantum-Hall-effect quasiparticles

Details Characterization of fractional-quantum-Hall-effect quasiparticles Characterization of fractional-quantum-Hall-effect quasiparticles

1995-01-18

arxiv.org/abs/cond-mat/9501080v1

Physics

Condensed Matter

11 pages, latex, no figures

Scientific paper

10.1016/0375-9601(95)00101-8

Composite fermions in a partially filled quasi-Landau level may be viewed as quasielectrons of the underlying fractional quantum Hall state, suggesting that a quasielectron is simply a dressed electron, as often is true in other interacting electron systems, and as a result has the same intrinsic charge and exchange statistics as an electron. This paper discusses how this result is reconciled with the earlier picture in which quasiparticles are viewed as fractionally-charged fractional-statistics ``solitons". While the two approaches provide the same answers for the long-range interactions between the quasiparticles, the dressed-electron description is more conventional and unifies the view of quasiparticle dynamics in and beyond the fractional quantum Hall regime.

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