In an exactly solvable one-dimensional Fermi gas, two bosonic impurities bind more tightly due to fermion-mediated attraction, and an effective model predicts binding even for repelling bosons.
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In-medium bound states of two bosonic impurities in a one-dimensional Fermi gas
In an exactly solvable one-dimensional Fermi gas, two bosonic impurities bind more tightly due to fermion-mediated attraction, and an effective model predicts binding even for repelling bosons.