Quantum tricriticality in transverse Ising-like systems M.T. Mercaldo, I. Rabuffo, A. Naddeo, A. Caramico D’Auria and L. De Cesare Eur. Phys. J. B, 84 3 (2011) 371-379 Published online: 23 November 2011 DOI: 10.1140/epjb/e2011-20621-0