Chern-Simons gauge theories for the fractional-quantum-Hall-effect hierarchy and anyon superconductivity
Z. F. Ezawa, A. Iwazaki
DOI 10.1103/PhysRevB.43.2637 · Physical Review B
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Abstract
It is shown that Chern-Simons gauge theories describe both the fractional-quantum-Hall-effect (FQHE) hierarchy and anyon superconductivity, simply by field-theoretically extracting the effects of vortex excitations. Vortices correspond to Laughlin’s quasiparticles or bound states of anyons. Both of these phenomena are explained by the condensations of these vortices. We clarify why the anyon systems become incompressible (FQHE) or compressible (anyon superconductivity) depending on the statistics. It is to be emphasized that we can derive an effective Lagrangian describing fully the FQHE hierarchy from a basic Chern-Simons gauge theory.
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