@article {9933, title = {Fidelity of a Bose-Einstein condensates}, journal = {Physics Letters, Section A: General, Atomic and Solid State Physics}, year = {2006}, pages = {216-220}, doi = {10.1016/j.physleta.2005.12.070}, author = {Jie Liu and Wenge Wang and Chuanwei Zhang and Qian Niu and Baowen Li} }