Long-Lived Mesoscopic Entanglement Between Two Damped Infinite Harmonic Chains

被引：3
|
作者：
Benatti, F. [1 ,2 ]
Carollo, F. [1 ,2 ]
Floreanini, R. [2 ]
Surace, J. [3 ,4 ]
机构：
[1] Univ Trieste, Dipartimento Fis, I-34151 Trieste, Italy
[2] Ist Nazl Fis Nucl, Sez Trieste, I-34151 Trieste, Italy
[3] Univ Strathclyde, Dept Phys, Glasgow G4 0NG, Lanark, Scotland
[4] Univ Strathclyde, SUPA, Glasgow G4 0NG, Lanark, Scotland
来源：
JOURNAL OF STATISTICAL PHYSICS | 2017年 / 168卷 / 03期
基金：
英国工程与自然科学研究理事会;
关键词：
Entanglement; Quantum fluctuations; Open mesoscopic systems; QUANTUM ENTANGLEMENT; DYNAMICS; SYSTEMS; DRIVEN; STATES; GASES;
D O I：
10.1007/s10955-017-1817-8
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We consider two chains, each made of N independent oscillators, immersed in a common thermal bath and study the dynamics of their mutual quantum correlations in the thermodynamic, large-N limit. We show that dissipation and noise due to the presence of the external environment are able to generate collective quantum correlations between the two chains at the mesoscopic level. The created collective quantum entanglement between the two many-body systems turns out to be rather robust, surviving for asymptotically long times even for non vanishing bath temperatures.
引用
收藏
页码：620 / 651
页数：32
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