Two interacting particles in the Harper model

Details Two interacting particles in the Harper model Two interacting particles in the Harper model

1996-09-15

arxiv.org/abs/cond-mat/9609134v1

Physics

Condensed Matter

revtex, 3 pages, 3 figures, to appear in Phys. Rev. B

Scientific paper

10.1103/PhysRevB.54.14896

Dynamics of two particles with short range repulsive or attractive interaction is studied numerically in the Harper model. It is shown that interaction leads to appearance of localized states and pure-point spectrum component in the case when noninteractive system is quasi-diffusive or ballistic. In the localized phase interaction gives only stronger localization contrary to the case of two interacting particles in a random potential.

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