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cond-mat.quant-gas2026
Ground state of the Hubbard model with spin-dependent linear potential
Jacek Dobrzyniecki, Thomas Busch
We investigate the competition between attractive spin-spin interactions and spin-separating external forces in the ground state of a one-dimensional Fermi-Hubbard model. We consid…
cond-mat.quant-gas2026
Chiral and pair superfluidity in triangular ladder produced by state-dependent Kronig-Penney lattice
Domantas Burba, Giedrius Žlabys, Dzmitry Viarbitski +2
We propose a concrete realization of a triangular ladder for ultracold atoms, which simultaneously hosts geometric frustration and unusual two-body interactions, and in particular…