U(2) CSGL theories are built for FQHE hierarchies, reproducing all known filling fractions and uniquely fixing topological orders while revealing a particle-hole symmetry between sequences.
Read, Order parameter and ginzburg-landau theory for the fractional quantum hall effect, Phys
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$\mathrm{U}(2)$ Chern-Simons-Ginzburg-Landau Theory of Fractional Quantum Hall Hierarchies
U(2) CSGL theories are built for FQHE hierarchies, reproducing all known filling fractions and uniquely fixing topological orders while revealing a particle-hole symmetry between sequences.