Entanglement observation among single mode bosonic field and an atom

  • Authors:

  • N. Behzadi

  • Affiliations:

  • Research Institute for Fundamental Sciences, University of Tabriz, Tabriz, Iran 51666-16471

  • Venue:
  • Quantum Information Processing
  • Year:
  • 2012

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Abstract

We discuss the atom-field entanglement by proposing a scheme for nonlocality of the atom-field system via nonlocaling the ladder atomic and field operators by a nonlocal unitary operator. It is shown that the standard coherent states of the constructed nonlocal atom-field quantum system are, as an issue of nonlocality, entangled. On the other hand, by proposing a model Hamiltonian for the interacting atom-field system, the standard entangled coherent states can be generated by the dynamical time evolution of the atom-field system.