A perturbative approach for the dynamics of the quantum Zeno subspaces

Details A perturbative approach for the dynamics of the quantum Zeno subspaces A perturbative approach for the dynamics of the quantum Zeno subspaces

2004-05-29

arxiv.org/abs/quant-ph/0405181v1

Physics

Quantum Physics

14 pages, 3 figures

Scientific paper

10.1103/PhysRevA.70.062102

In this paper we investigate the dynamics of the quantum Zeno subspaces which are the eigenspaces of the interaction Hamiltonian, belonging to different eigenvalues. Using the perturbation theory and the adiabatic approximation, we get a general expression of the jump probability between different Zeno subspaces. We applied this result in some examples. In these examples, as the coupling constant of the interactions increases, the measurement keeps the system remaining in its initial subspace and the quantum Zeno effect takes place.

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