Non-equilibrium concentration fluctuations in superparamagnetic nanocolloidsAna Oprisan, Ashley Rice, Sorinel A. Oprisan, Cédric Giraudet and Fabrizio CroccoloEur. Phys. J. E, 40 2 (2017) 14DOI: https://doi.org/10.1140/epje/i2017-11503-y