Bose-Fermi-Hubbard model in the truncated Hilbert space limit

V. O. Krasnov, I. V. Stasyuk

It is shown that in the Bose-Fermi-Hubbard model which is used for a description of the ultracold atomic boson-fermion mixture in the optical lattice, the $n_{\text{B}}⩽2$ r…