Polaronic metal in lightly doped high-Tc cuprates A. S. Mishchenko, N. Nagaosa, K. M. Shen, Z.-X. Shen, X. J. Zhou and T. P. Devereaux EPL, 95 5 (2011) 57007 Published online: 24 August 2011 DOI: 10.1209/0295-5075/95/57007