Multi-step evolution and measurement control of finite-dimensional quantum systems
Multi-step evolution and measurement control of finite-dimensional quantum systems
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有限维量子系统的多步演化与测量控制
DOI:
10.1007/s11434-012-5166-3
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发表时间:
2012-04
影响因子:
--
通讯作者:
LIU WenFeng
中科院分区:
文献类型:
--
作者:
CHEN ZongHai;ZHANG ChenBin;LIU WenFeng
For finite-dimensional quantum systems, we propose a quantum control scheme based on a multi-step unitary evolution and quantum projective measurements. The objective is to design a control law to steer the system to a target eigenstate of the measurement operator in the least number of steps. Within each control step, unitary evolution and quantum projective measurement are performed in turn until the system reaches the target state. The control process can be modeled as a finite-state Markov chain with an absorbing state. We prove that the controlled system will converge to the target eigenstate with probability one after a finite number of control steps and find a minimal-step-number condition that would steer the system to the target eigenstate in the least number of steps.
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DOI:
10.1088/1464-4266/7/10/001
发表时间:
2005-09
期刊:
Journal of Optics B-quantum and Semiclassical Optics
影响因子:
--
作者:
R. Handel;John K. Stockton;H. Mabuchi
通讯作者:
R. Handel;John K. Stockton;H. Mabuchi
影响因子:
2.9
作者:
A. Mandilara;J. W. Clark
通讯作者:
A. Mandilara;J. W. Clark
影响因子:
44.1
作者:
Bergmann, K;Theuer, H;Shore, BW
通讯作者:
Shore, BW
影响因子:
2.6
作者:
Dong, D.;Petersen, I. R.
通讯作者:
Petersen, I. R.
DOI:
10.1111/insr.12147
发表时间:
1999-11
期刊:
Statistics for the Behavioural Sciences
影响因子:
--
作者:
Arindam Sengupta
通讯作者:
Arindam Sengupta