Dynamical evolution of the two-qubit system with Ising spin-chain environment

被引：0
|
作者：
Han, Qi [1 ]
Wang, Huan [1 ]
Zhang, Rong [1 ]
Gou, Lijie [1 ]
Wang, Shuai [1 ]
机构：
[1] Northwest Normal Univ, Coll Math & Stat, Lanzhou 730070, Peoples R China
来源：
AIP ADVANCES | 2024年 / 14卷 / 03期
基金：
中国国家自然科学基金;
关键词：
MASTER EQUATION; QUANTUM; DECOHERENCE;
D O I：
10.1063/5.0196302
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this article, we study the evolution of the two-qubit system with Ising spin-chain environment by choosing the Lindblad equation to describe this process. First, we expand the Hamiltonian of a two-qubit system with its eigenstates and give the Lindblad equation for the evolution of the two-qubit system with Ising spin-chain as the environment. Compared with directly calculating the differential equation between elements of density matrix, we choose a method to solve the Lindblad equation with a smaller calculation dimension. Finally, by constructing an operator solution with operators, we obtain the dynamics of the two-qubit system with Ising spin-chain environment.
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页数：7
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