We derive an approximate analytical expression for the ground state of double-well BEC＇s, which reproduces highly accurately the numerical solution for the whole parameter regimes of the two-body repulsive interactio...We derive an approximate analytical expression for the ground state of double-well BEC＇s, which reproduces highly accurately the numerical solution for the whole parameter regimes of the two-body repulsive interaction strength, the total number of atoms, and the hopping parameter.展开更多
基金the Natural Science Foundation of Jiangxi Province of China under Grant Nos.0612006 and 2007GZW0819the Scientific Research Foundation of Education Department of Jiangxi Province under Grant No.[2007]191the Science Foundation of East China Jiaotong University under Grant No.06ZKJC01
文摘We derive an approximate analytical expression for the ground state of double-well BEC＇s, which reproduces highly accurately the numerical solution for the whole parameter regimes of the two-body repulsive interaction strength, the total number of atoms, and the hopping parameter.
