TY - JOUR AU - Ballesteros, H. G. AU - Carmona, J. M. AU - Fernández Pérez, Luis Antonio AU - Martín Mayor, Víctor AU - Muñoz Sudupe, Antonio AU - Tarancón, A. PY - 1997 DO - 10.1103/PhysRevD.55.5067 SN - 1550-7998 UR - https://hdl.handle.net/20.500.14352/60088 T2 - Physical review D AB - We study the antiferromagnetic RP^(2) model in four dimensions. We find a second order transition with two order parameters, one ferromagnetic and the other antiferromagnetic. The antiferromagnetic sector has mean- field critical exponents and a... LA - eng M2 - 5067 PB - Amer Physical Soc KW - Stacked-triangular antiferromagnets KW - Lattice PHI-4 theory KW - One-component model KW - Scaling laws KW - Monte-Carlo KW - Renormalization-group KW - Phase KW - Bounds. TI - Is the antiferromagnetic RP^(2) model in four dimensions trivial? TY - journal article VL - 55 ER -