Two interacting particles in an effective 2-3d random potential

Details Two interacting particles in an effective 2-3d random potential Two interacting particles in an effective 2-3d random potential

1995-07-25

arxiv.org/abs/cond-mat/9507107v1

Physics

Condensed Matter

15 Latex pages, + 15 figures compressed with uufiles

Scientific paper

10.1051/jp1:1996149

We study the effect of coherent propagation of two interacting particles in an effective 2-3-d disordered potential. Our numerical data demonstrate that in dimension $d > 2$, interaction can lead to two--particles delocalization below one--particle delocalization border. We also find that the distance between the two delocalized particles (pair size) grows logarithmically with time. As a result pair propagation is subdiffusive.

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