Hybridization between magneto-roton and moiré interband excitations in twisted MoTe2 creates an optically active exciton-roton mode with a characteristic roton minimum that is absent in continuum fractional quantum Hall systems.
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A symmetry indicator framework predicts the Z2 or Chern number of superlattice minibands from the parent material's properties alone, assuming weak potential but valid if gaps stay open.
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Exciton-roton mode in moir\'e fractional Chern insulators
Hybridization between magneto-roton and moiré interband excitations in twisted MoTe2 creates an optically active exciton-roton mode with a characteristic roton minimum that is absent in continuum fractional quantum Hall systems.
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Efficient prediction of topological superlattice bands with spin-orbit coupling
A symmetry indicator framework predicts the Z2 or Chern number of superlattice minibands from the parent material's properties alone, assuming weak potential but valid if gaps stay open.