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cond-mat.quant-gas2021★ 10 cited
Pairs, trimers and BCS-BEC crossover near a flat band: the sawtooth lattice
Giuliano Orso, Manpreet Singh
We investigate pairing and superconductivity in the attractive Fermi Hubbard model on the one-dimensional sawtooth lattice, which exhibits a flat band by fine-tuning the hopping ra…
cond-mat.quant-gas2021★ 15 cited
Signatures of non-trivial pairing in the quantum walk of two-component bosons
Mrinal Kanti Giri, Suman Mondal, B. P. Das +1
Nearest neighbour bosons possessing only onsite interactions do not form onsite bound pairs in their quantum walk due to fermionization. We obtain signatures of non-trivial onsite…