The onset of matter-wave amplification in a superradiant Bose-Einstein condensate

被引：173
作者：
Schneble, D [1 ]
Torii, Y
Boyd, M
Streed, EW
Pritchard, DE
Ketterle, W
机构：
[1] MIT, Elect Res Lab, MIT Harvard Ctr Ultracold Atoms, Cambridge, MA 02139 USA
[2] MIT, Dept Phys, Cambridge, MA 02139 USA
来源：
SCIENCE | 2003年 / 300卷 / 5618期
关键词：
D O I：
10.1126/science.1083171
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The interaction of short and strong laser pulses with an atomic Bose-Einstein condensate is found to generate patterns of recoiling atoms that are different from those seen in previous light-scattering experiments. This phenomenon can only be explained by optical stimulation, showing that the previous description of superradiance as atomic stimulation is incomplete and that matter-wave amplification in Bose-Einstein condensates is suppressed at short times. Our experiments clarify the nature of bosonic stimulation in the four-wave mixing of light and atoms.
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页码：475 / 478
页数：4
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