Hill, Antonio; Ziegler, Klaus - In: The European Physical Journal B - Condensed Matter and … 87 (2014) 6, pp. 1-10
We propose a lattice model for Dirac fermions which allows us to break the degeneracy of the node structure. In the presence of a random gap we analyze the scaling behavior of the localization length as a function of the system width within a numerical transfer-matrix approach. Depending on the...