On quantum logic operations based on photon-exchange interactions in an ensemble of non-interacting atoms

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dc.creatorFleischhauer, M.
dc.date2000-06-08
dc.date.accessioned2026-07-07T06:00:10Z
dc.date.available2026-07-07T06:00:10Z
dc.descriptionThe recently proposed idea to generate entanglement between photon states via exchange interactions in an ensemble of atoms (J.D. Franson and T.B. Pitman, Phys. Rev. A 60, 917 (1999) and J.D. Franson et al., (quant-ph/9912121)) is discussed using an S-matix approach. It is shown that if the nonlinear response of the atoms is negligible and no additional atom-atom interactions are present, exchange interactions cannot produce entanglement between photons states in a process that returns the atoms to their initial state. Entanglement generation requires the presence of a nonlinear atomic response or atom-atom interactions.
dc.description6 pages, no figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0006042
dc.identifierhttp://arxiv.org/abs/quant-ph/0006042
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/88918
dc.subjectQuantum Physics
dc.titleOn quantum logic operations based on photon-exchange interactions in an ensemble of non-interacting atoms
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