Solitons in BECs with sliding helicoidal spin-orbit coupling show stable quantized Thouless pumping in semi-infinite and finite gaps for limited chemical potentials and atom numbers, arrested for large solitons in the semi-infinite gap, and requiring longitudinal Zeeman field.
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Above a critical parametric drive, a cross-Kerr-coupled resonator chain enters a nonlinearity-dictated topological phase with spontaneous symmetry breaking and non-trivial bulk-boundary correspondence.
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Quantized transport of solitons in Bose-Einstein condensates driven by spin-orbit coupling
Solitons in BECs with sliding helicoidal spin-orbit coupling show stable quantized Thouless pumping in semi-infinite and finite gaps for limited chemical potentials and atom numbers, arrested for large solitons in the semi-infinite gap, and requiring longitudinal Zeeman field.
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Nonlinearity-driven Topology via Spontaneous Symmetry Breaking
Above a critical parametric drive, a cross-Kerr-coupled resonator chain enters a nonlinearity-dictated topological phase with spontaneous symmetry breaking and non-trivial bulk-boundary correspondence.