Seems that, though the posted article is new, the research in question is actually a couple of years old -- http://arxiv.org/abs/1303.2354 http://arxiv.org/abs/

Seems that, though the posted article is new, the research in question is actually a couple of years old -- http://arxiv.org/abs/1303.2354 http://arxiv.org/abs/1303.2354