Fractional-order simplest memristor-based chaotic circuit with new derivative Jingya Ruan, Kehui Sun, Jun Mou, Shaobo He and Limin Zhang Eur. Phys. J. Plus, 133 1 (2018) 3 Published online: 05 January 2018 DOI: 10.1140/epjp/i2018-11828-0