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cond-mat.dis-nn2022★ 2 cited
Stability of the replica-symmetric solution in the off-diagonally-disordered Bose-Hubbard model
Anna M. Piekarska, Tadeusz K. Kopeć
We study a disordered system of interacting bosons described by the Bose-Hubbard Hamiltonian with random tunneling amplitudes. We derive the condition for the stability of the repl…
cond-mat.dis-nn2022
Emergence of a superglass phase in the random hopping Bose-Hubbard model
Anna M. Piekarska, Tadeusz K. Kopeć
We study an experimentally feasible system of strongly correlated bosons with random hoppings, described by the infinite-range Bose-Hubbard model on a lattice with hopping integral…