Interaction induced delocalisation for two particles in a periodic potential
J. Vidal, B. Doucot, R. Mosseri, P. Butaud
Abstract
We consider two interacting particles evolving in a one-dimensional periodic structure embedded in a magnetic field. We show that the strong localization induced by the magnetic field for particular values of the flux per unit cell is destroyed as soon as the particles interact. We study the spectral and the dynamical aspects of this transition.
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