4.7 Article

Relaxation Dynamics of an Isolated Large-Spin Fermi Gas Far from Equilibrium

期刊

PHYSICAL REVIEW X
卷 4, 期 2, 页码 -

出版社

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevX.4.021011

关键词

-

资金

  1. Spanish Ministerio de Ciencia e Innovacion [FIS 2008-00784]
  2. ERC Grant QUAGATUA
  3. ERC Grant OSYRIS
  4. ERC Grant EU IP SIQS
  5. Deutsche Forschungsgemeinschaft (DFG) Collaborate Research Center [SFB 925]
  6. DFG Excellence Cluster
  7. ICREA Funding Source: Custom

向作者/读者索取更多资源

A fundamental question in many-body physics is how closed quantum systems reach equilibrium. We address this question experimentally and theoretically in an ultracold large-spin Fermi gas where we find a complex interplay between internal and motional degrees of freedom. The fermions are initially prepared far from equilibrium with only a few spin states occupied. The subsequent dynamics leading to redistribution among all spin states is observed experimentally and simulated theoretically using a kinetic Boltzmann equation with full spin coherence. The latter is derived microscopically and provides good agreement with experimental data without any free parameters. We identify several collisional processes that occur on different time scales. By varying density and magnetic field, we control the relaxation dynamics and are able to continuously tune the character of a subset of spin states from an open to a closed system.

作者

我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。

评论

主要评分

4.7
评分不足

次要评分

新颖性
-
重要性
-
科学严谨性
-
评价这篇论文

推荐

暂无数据
暂无数据