Relativistic Brownian motion on a graphene chip A. Pototsky, F. Marchesoni, F.V. Kusmartsev, P. Hänggi and S.E. Savel’ev Eur. Phys. J. B, 85 10 (2012) 356 Published online: 24 October 2012 DOI: 10.1140/epjb/e2012-30716-7