A new non-engineered SU(4) fermion model exhibits high-temperature charge-4e superconductivity via unbiased quantum Monte Carlo, with Tc increasing linearly with coupling and a BKT transition marked by a charge-4e stiffness jump.
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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.
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High-temperature charge-4e superconductivity in SU(4) interacting fermions
A new non-engineered SU(4) fermion model exhibits high-temperature charge-4e superconductivity via unbiased quantum Monte Carlo, with Tc increasing linearly with coupling and a BKT transition marked by a charge-4e stiffness jump.
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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.