长形凝聚体的相干长度:物质波干涉法研究
软凝聚态物质
2007-05-23 v1
摘要
我们测量了相位相干凝聚体与强相位涨落凝聚体之间交叉区域内 Bose-Einstein 凝聚体的空间关联函数。我们观察到了从类高斯形状到一维相位涨落所特有的类指数形状的连续演变。作为温度函数的空间关联函数的宽度表明,凝聚体相干长度在这两种状态之间没有经历突变。
引用
@article{arxiv.cond-mat/0501456,
title = {Coherence length of an elongated condensate: a study by matter-wave interferometry},
author = {Mathilde Hugbart and Jocelyn Retter and Fabrice Gerbier and Andres Varon and Simon Richard and Joseph Thywissen and David Clement and Philippe Bouyer and Alain Aspect},
journal= {arXiv preprint arXiv:cond-mat/0501456},
year = {2007}
}
备注
8 pages, 6 figure, submitted to EPJD