%0 Journal Article %T Complex Calogero model with real energies %A Miloslav Znojil %A Milos Tater %J Mathematics %D 2000 %I arXiv %R 10.1088/0305-4470/34/8/321 %X We show that and how PT symmetry (interpreted as a "weakened Hermiticity") can be extended to the exactly solvable two- and three-particle Calogero model. %U http://arxiv.org/abs/quant-ph/0010087v1