Non-Markovian entanglement dynamics of two qubits interacting with a common electromagnetic field

@article{Anastopoulos2009NonMarkovianED,
  title={Non-Markovian entanglement dynamics of two qubits interacting with a common electromagnetic field},
  author={C. Anastopoulos and S. Shresta and B. L. Hu},
  journal={Quantum Information Processing},
  year={2009},
  volume={8},
  pages={549}
}
We study the non-equilibrium dynamics of a pair of qubits made of two-level atoms separated in space with distance r and interacting with one common electromagnetic field but not directly with each other. Our calculation makes a weak coupling assumption but no Born or Markov approximation. We write the evolution equations of the reduced density matrix of the two-qubit system after integrating out the electromagnetic field modes. We study two classes of states in detail: Class A is a one… CONTINUE READING

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