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Updated: Jun 29, 2025

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在决定性点上的Floquet量子东方模型的精确火动力学
Bruno Bertini1, Cecilia De Fazio1, Juan P Garrahan1
1School of Physics and Astronomy, University of Nottingham, Nottingham, NG7 2RD, United Kingdom and Centre for the Mathematics and Theoretical Physics of Quantum Non-Equilibrium Systems, University of Nottingham, Nottingham, NG7 2RD, United Kingdom.
Physical review letters
|April 5, 2024
概括
我们分析了Floquet量子东方模型,发现纠的增长速度比最大速度慢. 热化到无限温度状态发生在与块大小成比例的时间内.
科学领域:
- 量子物理学的量子物理学
- 凝聚物质理论 凝聚物质理论
- 统计力学就是统计力学.
背景情况:
- 弗洛奎特量子东方模型描述了不平衡的量子动力学.
- 了解受约束量子系统中的热化是至关重要的.
研究的目的:
- 为了研究Floquet量子东方模型的非平衡动力学和热化.
- 在这个特定的量子系统中分析纠增长及其速度.
主要方法:
- 使用"空间进化"的热化动态的确切解决方案.
- 对其决定性点上的动力约束量子东旋链的Trotterized版本的分析.
- 对定义系统演变的 CNOT 互换门的研究.
主要成果:
- 旋转块中的纠最多会以当地允许的最大速度的一半的速度增长.
- 对于最初的经典配置,纠速度是最大的四分之一.
- 精确的热化到无限温度状态是通过区块大小的时间缩放实现的.
结论:
- 弗洛奎特量子东方模型表现出受约束的纠传播.
- 该系统显示出初始状态,纠速度和热化时间之间的明显关系.
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