Exploring the thermodynamics of spin-1 Bose gases with synthetic magnetization

Exploring the thermodynamics of spin-1 Bose gases with synthetic magnetization
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利用合成磁化探索自旋 1 玻色气体的热力学

DOI:
10.1088/1367-2630/ab14b4
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发表时间:
2019
影响因子:
3.3
通讯作者:
G. Barontini
G. Barontini
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
D. Benedicto Orenes;A. Kowalczyk;E. Witkowska;G. Barontini

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我们研究了自旋 1 玻色气体在玻色-爱因斯坦凝聚转变过程中的热力学性质。我们提出了捕获的理想自旋 1 玻色气体的热力学的理论描述,并描述了该系统中可以获得的相作为温度和不同自旋成分中的总体的函数。我们提出了一种实现“合成磁化”的简单方法,可用于探测整个相图,同时保持系统的真实磁化强度固定。我们通过实验证明了使用这种方法来探索总磁化强度为零的样品中的不同相。我们的工作为研究旋量凝聚中不同磁相的等温淬灭动力学开辟了新的视角。
We study the thermodynamic properties of a spin-1 Bose gas across the Bose–Einstein condensation transition. We present the theoretical description of the thermodynamics of a trapped ideal spin-1 Bose gas and we describe the phases that can be obtained in this system as a function of the temperature and of the populations in the different spin components. We propose a simple way to realize a ‘synthetic magnetization’ that can be used to probe the entire phase diagram while keeping the real magnetization of the system fixed. We experimentally demonstrate the use of such method to explore different phases in a sample with zero total magnetization. Our work opens up new perspectives to study isothermal quenching dynamics through different magnetic phases in spinor condensates.
DOI: 10.1038/s41586-018-0659-0
发表时间: 2018-05
期刊: Nature
影响因子: 64.8
作者:
Maximilian Prüfer;Philipp Kunkel;H. Strobel;S. Lannig;D. Linnemann;Christian-Marcel Schmied;J. Berges;T. Gasenzer;M. Oberthaler
通讯作者: Maximilian Prüfer;Philipp Kunkel;H. Strobel;S. Lannig;D. Linnemann;Christian-Marcel Schmied;J. Berges;T. Gasenzer;M. Oberthaler