Effect of a lattice upon an interacting system of electrons in two dimensions: Breakdown of scaling and decay of persistent currentsH. Falakshahi, Z. Á. Németh and J.-L. PichardEur. Phys. J. B, 39 1 (2004) 93-105DOI: https://doi.org/10.1140/epjb/e2004-00175-0