Comment on "Anyonic braiding in optical lattices"
  We point out some major technical and conceptual mistakes which invalidate the conclusion drawn in "Anyonic braiding in optical lattices" by C. Zhang, V. W. Scarola, S. Tewari, and S. Das Sarma published in PNAS 104, 18415 (2007). 
J. Vidal, S. Dusuel, K. P. Schmidt