Generalised Einstein relation for hot Brownian motion D. Chakraborty, M. V. Gnann, D. Rings, J. Glaser, F. Otto, F. Cichos and K. Kroy EPL, 96 6 (2011) 60009 Published online: 09 December 2011 DOI: 10.1209/0295-5075/96/60009