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Connected correlations in cold atom experiments

delete2026-01-01
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PRE
AI
T
Thomas Chalopin *
I
Igor Ferrier-Barbut
T
Thierry Lahaye
A
Antoine Browaeys
D
David Clément
DOI:10.5802/crphys.274delete
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摘要

摘要

En 中文
单原子分辨探针的最新发展已使量子气体实验中的全计数统计测量成为可能。该能力可获取物理可观测量高阶矩的访问权限,从中可精确确定累积量,或等价地确定关联量。通过选择近期冷原子实验,本文阐述了关联量在表征相互作用量子粒子系综中的重要性。首先,阶数 n > 2 的非零关联量明确识别非高斯量子态。其次,阶数 n 的关联量识别由 n 个元素组成的簇,其统计性质无法简化为更小簇的组合。识别此类多粒子簇的能力为强关联量子物质在微观尺度上的研究提供了有趣视角。
Keyword:
Ultracold atoms
strongly correlated matter
connected correlations
non-Gaussian states

期刊

C
Comptes Rendus Physique
IF:
1.2
论文数:
18
被引数:
2.6K

机构

U
Universite Paris Saclay
学者数:
7.3W
论文数: 5.3W
被引数: 540
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