在双组分超流中用 Faraday 图样观测无质量与有质量集体激发
量子气体
2022-06-06 v2
摘要
我们报道了在超冷玻色原子拉长的双组分超流中密度与自旋集体激发模色散关系的实验测量。我们的参数谱技术基于横向囚禁频率的外调制，导致密度与自旋 Faraday 波的形成。我们表明，在两分量间施加相干耦合会降低相位对称性并赋予自旋模有限质量。
引用
@article{arxiv.2112.09880,
title = {Observation of Massless and Massive Collective Excitations with Faraday Patterns in a Two-Component Superfluid},
author = {Riccardo Cominotti and Anna Berti and Arturo Farolfi and Alessandro Zenesini and Giacomo Lamporesi and Iacopo Carusotto and Alessio Recati and G. Ferrari},
journal= {arXiv preprint arXiv:2112.09880},
year = {2022}
}
备注
10 pages, 7 figures