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  • Letter

U(2) Chern-Simons-Ginzburg-Landau theory of fractional quantum Hall hierarchies

Taegon Lee1, Gil Young Cho1,2,*, and Donghae Seo3,†

  • *Contact author: gilyoungcho@kaist.ac.kr
  • †Contact author: donghae.seo@kaist.ac.kr

Phys. Rev. B 114, L231116 – Published 30 October, 2026

DOI: https://doi.org/10.1103/fbz5-mbr4

Abstract

We construct effective U(2) Chern-Simons-Ginzburg-Landau theories for Abelian and non-Abelian fractional quantum Hall hierarchies that had previously been described only through categorical data or trial wave functions. Our framework captures both Abelian hierarchy states built on half-filled Pfaffian-type parents and non-Abelian hierarchies emerging from Abelian states. It reproduces all filling fractions obtained from wave-function and categorical constructions and, moreover, uniquely determines the corresponding topological orders. We also identify an intriguing particle-hole symmetry relating two hierarchy sequences, one built on a trivial insulator and the other on the ν=1 integer quantum Hall state, which respectively generate the Read-Rezayi sequences and their particle-hole conjugates under the same hierarchy construction.

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