Römer, Rudolf A; Leadbeater, Mark; Schreiber, Michael - In: Physica A: Statistical Mechanics and its Applications 266 (1999) 1, pp. 481-485
Using a numerical decimation method, we compute the localisation length λ2 for two onsite interacting particles (TIP) in a one-dimensional random potential. We show that an interaction U0 does lead to λ2(U)λ2(0) for not too large U and test the validity of various proposed fit functions for...