Geometric Phase in composite systems .X.yⅰ Department of Physics, Dalian University of Technology With C. H. Oh, L. C Kwek, D. M. Tong e NUS Erik Sjoqvist e Uppsala Univ H. T. Cui, L. C. Wang, X L Huang e Dalian Univ of techGeometric Phase in composite systems 衣学喜 X. X. Yi Department of Physics, Dalian University of Technology With C. H. Oh, L. C. Kwek, D. M. Tong @ NUS; Erik Sjoqvist @ Uppsala Univ.; H. T. Cui, L. C. Wang, X. L. Huang @ Dalian Univ. of Tech