Spin transport in the Néel and collinear antiferromagnetic phase of the two dimensional spatial and spin anisotropic Heisenberg model on a square latticeZewei Chen, Trinanjan Datta and Dao-Xin YaoEur. Phys. J. B, 86 2 (2013) 63DOI: https://doi.org/10.1140/epjb/e2012-30708-7