2023
DOI: 10.1088/1361-6455/acd66f
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Two-body bound and edge bound states in a ladder lattice with synthetic flux

Abstract: We study the composite nature of two interacting bosons in the presence of a uniform synthetic flux on a two-leg ladder. We identify the existence of in-cell two-body bound states and nearest-neighbor bound pairs. Under open boundary condition, edge states associated to the bound spectra arise even for the chiral ladder that is topological trivial. We present effective models to characterize the appearance of bound states, as well as to capture the localization and chiral properties of the edge bound state. Mo… Show more

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Cited by 4 publications
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“…Interactions between particles cause novel correlation and entanglement, which may introduce rich correlated topological phenomena [22][23][24][25][26][27][28][29][30][31][32][33][34][35][36]. Understanding the interaction effect in topological pumping could open a window to the largely unexplored field.…”
Section: Introductionmentioning
confidence: 99%
“…Interactions between particles cause novel correlation and entanglement, which may introduce rich correlated topological phenomena [22][23][24][25][26][27][28][29][30][31][32][33][34][35][36]. Understanding the interaction effect in topological pumping could open a window to the largely unexplored field.…”
Section: Introductionmentioning
confidence: 99%