Coherent fluctuation relations: from the abstract to the concrete

被引:22
|
作者
Holmes, Zoe [1 ]
Weidt, Sebastian [2 ]
Jennings, David [1 ,3 ,4 ]
Anders, Janet [5 ]
Mintert, Florian [1 ]
机构
[1] Imperial Coll London, Controlled Quantum Dynam Theory Grp, London SW7 2BW, England
[2] Univ Sussex, Dept Phys & Astron, Brighton BN1 9QH, E Sussex, England
[3] Univ Oxford, Dept Phys, Oxford OX1 3PU, England
[4] Univ Leeds, Sch Phys & Astron, Leeds LS2 9JT, W Yorkshire, England
[5] Univ Exeter, CEMPS, Phys & Astron, Exeter EX4 4QL, Devon, England
来源
QUANTUM | 2019年 / 3卷
基金
英国工程与自然科学研究理事会;
关键词
QUANTUM; FOUNDATIONS; ENTROPY; THEOREM; STATES;
D O I
10.22331/q-2019-02-25-124
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
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.
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页数:31
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