Kavli Affiliate: Leon Balents
| First 5 Authors: Feng Chen, Feng Chen, , ,
| Summary:
Moir’e materials provide exciting platforms for studying the interplay of
strong electronic correlation and large magnetic flux effects. We study the
lightly doped Hofstadter-Hubbard model on a triangular lattice through
large-scale density matrix renormalization group and determinantal quantum
Monte Carlo simulations. We find strong evidence for a robust chiral
superconducting (SC) phase with dominant power-law pairing correlations and a
quantized spin Chern number. The SC phase emerges at very weak interaction and
grows stronger at intermediate interaction strengths (U ) for a wide range of
hole doping. We also discuss the possible distinct nature of the normal state
in different U regimes. Our work provides theoretical insights into the
emergence of topological superconductivity from doping topological Chern bands
or magnetic flux induced chiral spin liquid states of Moir’e materials.
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