Apparent wall slip in non-Brownian hard-sphere suspensions Marko Korhonen, Mikael Mohtaschemi, Antti Puisto, Xavier Illa and Mikko J. Alava Eur. Phys. J. E, 38 5 (2015) 46 Published online: 25 May 2015 DOI: 10.1140/epje/i2015-15046-y