QMC simulations establish a zero-temperature charge-4e superconducting phase in the attractive SU(4) Hubbard model, with the charge-2e to charge-4e transition described by deconfined pseudocriticality in an Sp(4) gauge-Higgs theory whose one-loop exponents match the numerics.
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Rényi entanglement entropy scaling at the honeycomb lattice Néel-VBS transition is largely consistent with SO(5) CFT predictions for corner coefficients, with a notable period-3 oscillation anomaly in hexagonal subsystems.
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Quantum Charge-4e Superconductivity and Deconfined Pseudocriticality in the Attractive SU(4) Hubbard Model
QMC simulations establish a zero-temperature charge-4e superconducting phase in the attractive SU(4) Hubbard model, with the charge-2e to charge-4e transition described by deconfined pseudocriticality in an Sp(4) gauge-Higgs theory whose one-loop exponents match the numerics.
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Critical SO(5) scaling of entanglement entropy at honeycomb lattice deconfined criticality
Rényi entanglement entropy scaling at the honeycomb lattice Néel-VBS transition is largely consistent with SO(5) CFT predictions for corner coefficients, with a notable period-3 oscillation anomaly in hexagonal subsystems.