Comment on "Laser-assisted spin-polarized transport in graphene tunnel   junctions"
  We comment on the latest paper [K.-H. Ding, Z.-G. Zhu, and J. Berakdar, J. Phys.: Condens. Matter 24, 266003 (2012)]. 
Y. Zhou and M. W. Wu
cond-mat.mes-hall cond-mat.quant-gas