Unexpected CDW phases and reentrant CDW-vortex-superfluid-CDW transitions appear in three-leg Bose-Hubbard ladders under artificial gauge flux despite only on-site interactions.
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A 1D superfluid of hard-core bosons with pair-wise attractive interactions forms molecular dimers that exhibit emergent repulsive interactions and phase separation into charge-density wave puddles, as revealed by DMRG and effective Hamiltonians.
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Emergence of the unexpected charge-density-wave phase driven by artificial gauge field in three-leg Bose-Hubbard ladder
Unexpected CDW phases and reentrant CDW-vortex-superfluid-CDW transitions appear in three-leg Bose-Hubbard ladders under artificial gauge flux despite only on-site interactions.
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Emergence of a molecular quantum liquid in one dimension
A 1D superfluid of hard-core bosons with pair-wise attractive interactions forms molecular dimers that exhibit emergent repulsive interactions and phase separation into charge-density wave puddles, as revealed by DMRG and effective Hamiltonians.