Saguia, A.; Rappoport, T.G.; Boechat, B.; Continentino, M.A. - In: Physica A: Statistical Mechanics and its Applications 344 (2004) 3, pp. 644-648
A real-space renormalization-group approach is used to investigate the zero temperature phase diagram of the Kondo necklace (KN) model in the presence of an Ising-like anisotropy parameter (δ). In the full anisotropic case, δ=1, this approach yields a quantum critical point (QCP) separating an...