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Robust spatial coherence 5 mu m from a room-temperature atom chip_上海光学精密机械研究所

上海光学精密机械研究所 免费考研网/2018-05-06

外文题目: Robust spatial coherence 5 mu m from a room-temperature atom chip
作者: Zhou, Shuyu; Groswasser, David; Keil, Mark; Japha, Yonathan; Folman, Ron
刊名: Phys. Rev. A
年: 2016 卷: 93 期: 6 文章编号:63615
英文关键词:

BOSE-EINSTEIN CONDENSATION; ULTRACOLD ATOMS; MANIPULATION; TRAPS
英文摘要:
We study spatial coherence near a classical environment by loading a Bose-Einstein condensate into a magnetic lattice potential and observing diffraction. Even very close to a surface (5 mu m), and even when the surface is at room temperature, spatial coherence persists for a relatively long time (>= 500 ms). In addition, the observed spatial coherence extends over several lattice sites, a significantly greater distance than the atom-surface separation. This opens the door for atomic circuits, and may help elucidate the interplay between spatial dephasing, interatomic interactions, and external noise.


文献类型: 期刊论文
正文语种: English
收录类别: SCIEI
DOI: 10.1103/PhysRevA.93.063615


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