Coherent fluctuation relations: from the abstract to the concrete

Coherent fluctuation relations: from the abstract to the concrete
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DOI:
10.22331/q-2019-02-25-124
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发表时间:
2019-02-25
期刊:
影响因子:
6.4
通讯作者:
Mintert, Florian
Mintert, Florian
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Holmes, Zoe;Weidt, Sebastian;Mintert, Florian

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最近的研究使用量子信息理论的热力学方法表明,在量子系统中的相干性的存在产生的经典波动定理的修正。为了解释这种校正的物理起源和影响,我们在这里转换一个抽象的框架,一个自治的量子克鲁克斯关系到量子克鲁克斯等式为著名的相干,压缩和猫态。我们进一步提供了一个具体的实验方案来测试这些等式的建议。我们的计划包括一个被困离子的自主演变,并使用一个位置相关的AC斯塔克位移。
Recent studies using the quantum information theoretic approach to thermodynamics show that the presence of coherence in quantum systems generates corrections to classical fluctuation theorems. To explicate the physical origins and implications of such corrections, we here convert an abstract framework of an autonomous quantum Crooks relation into quantum Crooks equalities for well-known coherent, squeezed and cat states. We further provide a proposal for a concrete experimental scenario to test these equalities. Our scheme consists of the autonomous evolution of a trapped ion and uses a position dependent AC Stark shift.