Phase separation in one-dimensional hard-core boson system with two- and three-body interactions Chen Cheng, Bin-Bin Mao, Fu-Zhou Chen and Hong-Gang Luo Eur. Phys. J. B, 88 6 (2015) 152 Published online: 10 June 2015 DOI: 10.1140/epjb/e2015-60112-8