Time-dependent Fröhlich transformation approach for two-atom entanglement generated by successive passage through a cavity

Details Time-dependent Fröhlich transformation approach for two-atom entanglement generated by successive passage through a cavity Time-dependent Fröhlich transformation approach for two-atom entanglement generated by successive passage through a cavity

2006-10-12

arxiv.org/abs/quant-ph/0610102v2

Phys. Rev. A 75, 032302 (2007)

Physics

Quantum Physics

7 pages, 3 figures

Scientific paper

10.1103/PhysRevA.75.032302

Time-dependent Fr\"ohlich transformations can be used to derive an effective Hamiltonian for a class of quantum systems with time-dependent perturbations. We use such a transformation for a system with time-dependent atom-photon coupling induced by the classical motion of two atoms in an inhomogeneous electromagnetic field. We calculate the entanglement between the two atoms resulting from their motion through a cavity as a function of their initial position difference and velocity.

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