Evidence for a Bose-Einstein Condensate in Dilute Rb Gas by Absorption Image in a Quadrupole and Ioffe Configuration Trap

• 来源期刊: 中国物理快报（英文版）
• 年，卷（期）: 2003,（6）
• 页码范围: 799-801
• 页数: 3页
• 语种: 英文

摘要

We report the realization of Bose-Einstein condensation (BEC) in dilute rubidium gas. The BEC was achieved in a quadrupole and Ioffe configuration trap. The number of condensed atoms is around 4 × 104 in total 5 × 105, and the transition temperature is 250nK. We have studied the light scattering of the atom cloud and the condensate in a tightly confined magnetic trap. We show that it is possible to use the diffraction patterns in the near-resonant imaging of the trapped cold atomic samples to give the information of the BEC phase transition.