Quasi-particles in Fractional Quantum Hall Effect Edge Theories

Details Quasi-particles in Fractional Quantum Hall Effect Edge Theories Quasi-particles in Fractional Quantum Hall Effect Edge Theories

1998-01-26

arxiv.org/abs/cond-mat/9801272v2

Physical Review B. 58 (1998), p. 15704

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

20 pages, 2 eps figures, revtex, references updated, Phys. Rev. B in press

Scientific paper

10.1103/PhysRevB.58.15704

We propose a quasi-particle formulation of effective edge theories for the fractional quantum Hall effect. For the edge of a Laughlin state with filling fraction \nu=1/m, our fundamental quasi-particles are edge electrons of charge -e and edge quasi-holes of charge +e/m. These quasi-particles satisfy exclusion statistics in the sense of Haldane. We exploit algebraic properties of edge electrons to derive a kinetic equation for charge transport between a \nu=1/m fractional quantum Hall edge and a normal metal. We also analyze alternative `Boltzmann' equations that are directly based on the exclusion statistics properties of edge quasi-particles. Generalizations to more general filling fractions (Jain series) are briefly discussed.

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