Delocalization of two interacting particles
in the two-dimensional Harper model
by K.M.Frahm and D.L.Shepelyansky
arXiv:1510.01104[cond-mat.quant-gas]
Example of delocalized TIP in 2D Harper model
at lambda=2.5 and golden mean flux for Hubbard interaction U=3.5 and
system size 128X128 at t=10000 (one particle density (left), interparticle density (right))
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