Mesoscopic resistive switch: non-volatility, hysteresis and negative differential resistance Sergey E. Savel’ev, Fabio Marchesoni and Alexander M. Bratkovsky Eur. Phys. J. B, 86 12 (2013) 501 Published online: 09 December 2013 DOI: 10.1140/epjb/e2013-40966-4