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Creators/Authors contains: "Bilitewski, Thomas"

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  1. ; ; ; ; ; (, Physical Review Research)
    We investigate the quantum many-body dynamics of bosonic atoms hopping in a two-leg ladder with strong on-site contact interactions. We observe that when the atoms are prepared in a staggered pattern with pairs of atoms on every other rung, singlon defects, i.e., rungs with only one atom, can localize due to an emergent topological model, even though the underlying model in the absence of interactions admits only topologically trivial states. This emergent topological localization results from the formation of a zero-energy edge mode in an effective lattice formed by two adjacent chains with alternating strong and weak hoping links (Su-Schrieffer-Heeger chains) and opposite staggering which interface at the defect position. Our findings open the opportunity to dynamically generate nontrivial topological behaviors without the need for complex Hamiltonian engineering. Published by the American Physical Society2025 
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    Free, publicly-accessible full text available January 1, 2026
  2. ; ; ; ; (, Physical Review A)
  3. ; ; ; (, Physical Review Research)
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  4. ; (, Physical Review Letters)
  5. ; ; ; ; (, Physical Review A)
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  6. ; ; ; (, PRX Quantum)
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  7. ; ; ; ; ; ; ; ; (, Nature)
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  8. ; ; ; ; ; ; ; (, Science)
    Layer-resolved state preparation and imaging is reported in highly tunable two-dimensional layers of ultracold potassium–rubidium molecules in an optical lattice. 
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  9. ; ; ; ; ; (, Physical Review Letters)
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  10. ; ; ; ; ; ; ; ; (, Physical Review Letters)