Control of state localization in a two-level quantum system

被引：14
|
作者：
Liu, XS
Liu, WZ
Wu, RB
Long, GL [1 ]
机构：
[1] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Key Lab Quantum Informat & Management, Beijing 100084, Peoples R China
[3] Tsinghua Univ, Dept Automat, Beijing 100084, Peoples R China
[4] Tsinghua Univ, Key Lab Atom & Mol NanoSci, Beijing 100084, Peoples R China
来源：
JOURNAL OF OPTICS B-QUANTUM AND SEMICLASSICAL OPTICS | 2005年 / 7卷 / 02期
关键词：
state localization; quantum control; Markovian feedback;
D O I：
10.1088/1464-4266/7/2/006
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The control of the state of a system to a given state has important applications in quantum engineering and control. In this paper, we study a control scheme that controls the localization of state in a two-level system via homodyne feedback, and analyse the condition for the steady state and stability of the localization. We also give the parameters of the feedback and the driving field for control of the system state to localization at any desired state on the Bloch sphere.
引用
收藏
页码：66 / 69
页数：4
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