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cond-mat.quant-gas2024★ 1 cited
Beyond-mean-field analysis of the Townes soliton and its breathing mode
D. S. Petrov
By using the Bogoliubov perturbation theory we describe the self-bound ground state and excited breathing states of two-dimensional bosons with zero-range attractive interactio…
cond-mat.quant-gas2024
Absence of binding of heavy fermions by two light atoms in two dimensions
J. Givois, D. S. Petrov
By developing the mean-field theory valid for large , we investigate the problem of two light fermions interacting via a zero-range potential with heavy fermions in two dime…