Abstract:
The influence of dipole-dipole interaction on the entanglement between two atoms with different initial W-like states in Tavis-Cummings model with degenerate two-photon transitions has been investigated. The results show that the entanglement between two atoms can be increased by means of dipole-dipole interaction and for some initial states the sudden death effect can be weakened.
Keywords:two-atom model, degenerate two-photon transitions, dipole-dipole interaction, entanglement, sudden death of entanglement.
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