Joint entropy and decoherence without dissipation in a driven harmonic oscillator A. J. Fotue, A. V. Wirngo, R. M. Keumo Tsiaze and M. N. Hounkonnou Eur. Phys. J. Plus, 131 9 (2016) 326 Published online: 20 September 2016 DOI: 10.1140/epjp/i2016-16326-9