Anisotropic charge dynamics in detwinned Ba(Fe1-xCox)2As2 A. Dusza, A. Lucarelli, F. Pfuner, J.-H. Chu, I. R. Fisher and L. Degiorgi EPL, 93 3 (2011) 37002 Published online: 09 February 2011 DOI: 10.1209/0295-5075/93/37002