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Continuous variable structured collision models

delete2025-12-01
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PRE
AI
A
Anton Corr *
S
Stefano Cusumano
G
Gabriele De Chiara
DOI:10.1088/2058-9565/ae0a7bdelete
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摘要

摘要

En 中文
量子碰撞模型允许通过将环境分解为小的片段来描述开放量子系统的动力学,这些片段通常由非相互作用谐振子或两能级系统组成。本研究通过环形结构中N个耦合谐振子之间的弹簧状相互作用,在这些环境单元中引入结构,初始制备为热态。考察了两种感兴趣的模型。第一种突出了一种可以通过连续时间演化获得的情况,其中系统通过类似光束分离器、能量守恒的相互作用与环境相互作用。产生的动力学类似于与制备为挤压热态的非结构化单元相互作用的动力学。第二种模型突出了一种情况,即演化不能一般地取连续时间极限,而是需要离散时间传播。也研究了可以取连续时间极限的特殊情况,同时附加一个次级环境以诱导稳态。对两个示例验证了热力学第一和第二定律。
Keyword:
quantum thermodynamics
open quantum systems
collision model
continuous variable

期刊

Quantum Science and Technology 封面图
Quantum Science and Technology
IF:
5
论文数:
1.4K
被引数:
5.1K

机构

Q
Queen's University Belfast
学者数:
1.6W
论文数: 1.7W
被引数: 2.5W
U
University of Naples Federico II
学者数:
4.7W
论文数: 3.6W
被引数: 51
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