Exact Rényi entropies of D-dimensional harmonic systems David Puertas-Centeno, Irene Valero Toranzo and Jesús Sánchez Dehesa Eur. Phys. J. Special Topics, 227 3-4 (2018) 345-352 Published online: 28 September 2018 DOI: 10.1140/epjst/e2018-00092-4