Zeno dynamics yields ordinary constraints
classification
🪐 quant-ph
cond-mat.mes-hallcond-mat.stat-mechmath-phmath.MPphysics.atom-ph
keywords
dynamicszenoquantumsystemanalysisasymptoticboundaryconditions
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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.
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