Non-Hermiticity induces fractional topological phases in nonlinear Thouless pumping of a Rice-Mele model, explained through auxiliary eigenvalue equations that connect nonlinear spectra to bulk-boundary correspondence.
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cond-mat.quant-gas 2years
2026 2verdicts
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Exact dark-bright solitons exist in the integrable limit without spin-orbit coupling; finite couplings break integrability and produce spatial separation, density oscillations, and robust breathers in binary BECs.
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Nonreciprocity Induced Fractional Nonlinear Thouless Pumping
Non-Hermiticity induces fractional topological phases in nonlinear Thouless pumping of a Rice-Mele model, explained through auxiliary eigenvalue equations that connect nonlinear spectra to bulk-boundary correspondence.
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Stability and dynamics of dark-bright solitons in spin-orbit- and Rabi-coupled binary Bose-Einstein condensates
Exact dark-bright solitons exist in the integrable limit without spin-orbit coupling; finite couplings break integrability and produce spatial separation, density oscillations, and robust breathers in binary BECs.