Atom interferometry with trapped Fermi gases
软凝聚态物质
2009-11-10 v1
摘要
We realize an interferometer with an atomic Fermi gas trapped in an optical lattice under the influence of gravity. The single-particle interference between the eigenstates of the lattice results in macroscopic Bloch oscillations of the sample. The absence of interactions between fermions allows a time-resolved study of many periods of the oscillations, leading to a sensitive determination of the acceleration of gravity. The experiment proves the superiorness of non interacting fermions with respect to bosons for precision interferometry, and offers a way for the measurement of forces with microscopic spatial resolution.
引用
@article{arxiv.cond-mat/0402328,
title = {Atom interferometry with trapped Fermi gases},
author = {G. Roati and E. de Mirandes and F. Ferlaino and H. Ott and G. Modugno and M. Inguscio},
journal= {arXiv preprint arXiv:cond-mat/0402328},
year = {2009}
}
备注
4 pages, 4 figures