|
| related topics |
| {time, wave, function} |
| {equation, function, exp} |
| {operator, operators, space} |
| {measurement, state, measurements} |
| {time, decoherence, evolution} |
| {phase, path, phys} |
| {force, casimir, field} |
| {let, theorem, proof} |
| {time, systems, information} |
| {vol, operators, histories} |
|
Zeno dynamics yields ordinary constraints
P. Facchi, S. Pascazio, A. Scardicchio, L. S. Schulman
abstract: 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 proper subspace of the total Hilbert space. For spatial
projections, the generator of the "Zeno dynamics" is the Hamiltonian with
Dirichlet boundary conditions.
- oai_identifier:
- oai:arXiv.org:quant-ph/0101037
- categories:
- quant-ph cond-mat.mes-hall cond-mat.stat-mech math-ph math.MP physics.atom-ph
- comments:
- 6 pages
- doi:
- 10.1103/PhysRevA.65.012108
- arxiv_id:
- quant-ph/0101037
- journal_ref:
- Phys. Rev. A 65, 012108 (2002)
- created:
- 2001-01-08
Full article ▸
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