@article {9804, title = {Quantum chaos of bogoliubov waves for a Bose-Einstein condensate in stadium billiards}, journal = {Physical Review Letters}, year = {2004}, pages = {074101-1-074101-4}, doi = {10.1103/PhysRevLett.93.074101}, url = {http://www.ncbi.nlm.nih.gov/pubmed/15324241}, author = {Chuanwei Zhang and Jie Liu and Mark G. Raizen and Qian Niu} }