High electrical conductivity in nonlinear model lattice crystals mediated by thermal excitation of solectronsAlexander P. Chetverikov, Werner Ebeling, Gerd Röpke and Manuel G. VelardeEur. Phys. J. B, 87 7 (2014) 153DOI: https://doi.org/10.1140/epjb/e2014-50213-3