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
影响因子:
2.9
通讯作者:
P. Facchi;S. Pascazio;A. Scardicchio;L. Schulman
中科院分区:
文献类型:
--
作者:
P. Facchi;S. Pascazio;A. Scardicchio;L. Schulman
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