引用本文:
【打印本页】   【HTML】   【下载PDF全文】   View/Add Comment  【EndNote】   【RefMan】   【BibTex】
←前一篇|后一篇→ 过刊浏览    高级检索
本文已被:浏览 599次   下载 484 本文二维码信息
码上扫一扫!
分享到: 微信 更多
Quantum Entanglement of Parallel-Coupled Double Quantum Dots: a Theoretical Study Using the Hierarchical Equations of Motion Approach
Hong Gong1, Arif Ullah1, LvZhou Ye1, Xiao Zheng1, YiJing Yan2
1.Hefei National Laboratory for Physical Sciences at the Microscale & Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China;2.Hefei National Laboratory for Physical Sciences at the Microscale & iChEM, University of Science and Technology of China, Hefei 230026, China
Abstract:
Quantum dots comprise a type of quantum impurity system. The entanglement and coherence of quantum states are significantly influenced by the strong electron-electron interactions among impurities and their dissipative coupling with the surrounding environment. Competition between many-body effects and transfer couplings plays an important role in determining the entanglement among localized impurity spins. In this work, we employ the hierarchical-equations-of-motion approach to explore the entanglement of a strongly correlated double quantum dots system. The relation between the total system entropy and those of subsystems is also investigated.
Key words:  Double quantum dots  Quantum entanglement  Rényi entropy  von Neumann entropy  Concurrence  Hierarchical-equations-of-motion method
FundProject:This work was supported by the Ministry of Science and Technology of China (No.2016YFA0400900 and No.2016YFA0200600), the National Natural Science Foundation of China (No.21573202 and No.21633006), the Fundamental Research Funds for the Central Universities (No.2340000074), The Supercomputing Center of USTC is gratefully acknowledged.
应用级联运动方程方法研究并联双量子点的量子纠缠
弓弘1, Arif Ullah1, 叶绿洲1, 郑晓1, 严以京2
1.中国科学技术大学 合肥微尺度物质科学国家研究中心, 量子信息与量子物理协同创新中心, 合肥 230026;2.中国科学技术大学 合肥微尺度物质科学国家研究中心, 能源材料化学协同创新中心, 合肥 230026
摘要:
关键词:  
DOI:10.1063/1674-0068/31/cjcp1806138
分类号: