DMRG study of modulated Hubbard chain finds interaction-split edge spectral flow in C=+2 Thouless pump at ρ=2/3 while bulk charge transport stays integer.
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A quantum spin's natural precession autonomously drives topologically quantized fermion transport in a lattice, robust above a critical magnetic field.
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Interaction-Split Edge Spectral Flow in an Integer Hubbard Thouless Pump
DMRG study of modulated Hubbard chain finds interaction-split edge spectral flow in C=+2 Thouless pump at ρ=2/3 while bulk charge transport stays integer.
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An Autonomous Topological Pump
A quantum spin's natural precession autonomously drives topologically quantized fermion transport in a lattice, robust above a critical magnetic field.