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cond-mat.quant-gas2024★ 6 cited
Lattice Bose polarons at strong coupling and quantum criticality
Ragheed Alhyder, Victor E. Colussi, Matija Čufar +3
We develop a new theoretical framework for exploring a mobile impurity interacting strongly with a highly correlated bath of bosons in the quantum critical regime of a Mott insulat…
cond-mat.quant-gas2024★ 1 cited
Effective theory for strongly attractive one-dimensional fermions
Timothy G. Backert, Fabian Brauneis, Matija Čufar +3
We study a one-dimensional system of two-component fermions in the limit of strong attractive particle-particle interactions. First, we analyze scattering in the corresponding few-…