Comment on "Phase Diagram of a Disordered Boson Hubbard Model in Two Dimensions"
Prokof'ev, Nikolay · Svistunov, Boris
Original · EN
We prove that previous claims of observing a direct superfluid-Mott insulator transition in the disordered J-current model are in error because numerical simulations were done for too small system sizes and the authors ignored the rigorous theorem.
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