Zeno dynamics yields ordinary constraints

Zeno dynamics yields ordinary constraints
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DOI:
10.1103/physreva.65.012108
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发表时间:
2001-01
期刊:
影响因子:
2.9
通讯作者:
P. Facchi;S. Pascazio;A. Scardicchio;L. Schulman
P. Facchi;S. Pascazio;A. Scardicchio;L. Schulman
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
P. Facchi;S. Pascazio;A. Scardicchio;L. Schulman

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克拉克森大学物理系,波茨坦,NY 13699-5820,美国(2008年2月1日)研究了频繁测量(量子Zeno eff等)的量子系统的动力学。利用渐近分析,发现系统在全Hilbert空间的真子空间中酉性发展。对于空间投影,Zeno动力学的生成器是具有Dirichlet边界条件的哈密顿。PACS编号:03.65.Bz;03.65.Db;02.30 Mv
Physics Department, Clarkson University, Potsdam, NY 13699-5820, USA(February 1, 2008)The dynamics of a quantum system undergoing frequent measurements (quantum Zeno effect)is investigated. Using asymptotic analysis, the system is found to evolve unitarily in a propersubspace of the total Hilbert space. For spatial projections, the generator of the “Zeno dynamics”is the Hamiltonian with Dirichlet boundary conditions.PACS numbers: 03.65.Bz; 03.65.Db; 02.30.Mv