Workshop on Cold Atom Physics and Quantum Information for Young Researchers Ferromagnetism in Bose Systems Qiang Gu Department of Physics University of Science and Technology Beijing (USTB) Taiyuan, July 4, 2007Ferromagnetism in Bose Systems Qiang Gu Department of Physics University of Science and Technology Beijing (USTB) Taiyuan, July 4, 2007 Workshop on Cold Atom Physics and Quantum Information for Young Researchers