Atom interferometry with Bose-Einstein condensates in a double-well potential

被引：412
|
作者：
Shin, Y
Saba, M
Pasquini, TA
Ketterle, W
Pritchard, DE
Leanhardt, AE
机构：
[1] MIT, MIT Harvard Ctr Ultracold Atoms, Dept Phys, Cambridge, MA 02139 USA
[2] MIT, Elect Res Lab, Cambridge, MA 02139 USA
来源：
PHYSICAL REVIEW LETTERS | 2004年 / 92卷 / 05期
关键词：
D O I：
10.1103/PhysRevLett.92.050405
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A trapped-atom interferometer was demonstrated using gaseous Bose-Einstein condensates coherently split by deforming an optical single-well potential into a double-well potential. The relative phase between the two condensates was determined from the spatial phase of the matter wave interference pattern formed upon releasing the condensates from the separated potential wells. Coherent phase evolution was observed for condensates held separated by 13 mum for up to 5 ms and was controlled by applying ac Stark shift potentials to either of the two separated condensates.
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页数：4
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