Spin Structures of Spin-Orbit Coupled Square-Lattice Antiferromagnets
  We have realized that our results have a strong overlap with those previously published in J Chovan, N Papanicolaou, and S Komineas, Phys.Rev.B65,064433(2002). 
Jia-Wei Mei and A. Zheludev
cond-mat.str-el