@article{article078dc121,
title   = {Honeycomb-lattice Heisenberg-Kitaev model in a magnetic field: spin canting, metamagnetism, and vortex crystals},
author = {Janssen, Lukas and Andrade, Eric de Castro e and Vojta, Matthias},
year = {2016},
doi = {10.1103/PhysRevLett.117.277202},
journal   = {Physical Review Letters}
}