Pisani, C.; Smith, E.R.; Thompson, C.J. - In: Physica A: Statistical Mechanics and its Applications 139 (1986) 2, pp. 585-592
The spherical model on a three-dimensional cubic lattice with competing nearest and next-nearest neighbour interactions is shown to undergo a phase transition to states in which the spontaneous magnetization is zero but with the pair correlation function exhibiting oscillatory long-range order...