Quantum evolution of a qubit state with decoherence and LFC

被引:0
|
作者
Wang, Chao [1 ]
Luo, Jian [1 ]
机构
[1] Nanjing Univ Aeronaut & Astronaut, Nanjing, Jiangsu, Peoples R China
来源
MODERN PHYSICS LETTERS B | 2016年 / 30卷 / 05期
关键词
Quantum dots; Rabi oscillation; decoherence; local field correction; FEW-CYCLE PULSE; DOT; PROPAGATION;
D O I
10.1142/S0217984916500275
中图分类号
O59 [应用物理学];
学科分类号
摘要
We study the Rabi oscillation of two-level system in double quantum dots, and found that the Rabi oscillation considering decoherence rate is a cycle attenuated oscillation when the qubit energy asymmetry epsilon = 0 (epsilon is the qubit energy asymmetry). The peak of Rabi oscillation alternatively changes in the case of the qubit energy asymmetry epsilon = H (H is the qubit tunneling matrix element). Moreover, the local field correction (LFC) greatly affects the frequency of Rabi oscillation, in which the Rabi frequency changes fast with LFC increasing.
引用
收藏
页数:9
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