Influence of the Phase on the Entanglement between a Jaynes-Cummings Atom and an Isolated Atom
C.-Q. Pang and M.-L. Liang
Physics Department, School of Science, Tianjin University, Tianjin 300072, China
Received: June 4, 2012; In final form: March 26, 2014
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A scheme is presented to generate an entangled atomic state, for which the quantum phase affects the atom-atom entanglement when the atom interacts with external light fields. The quantum phase enhances the entanglement and extends the time that the system stays in stronger entanglement state or the phase makes the system more robust. It is also shown that the quantum phase is able to delay the entanglement sudden death and hasten the entanglement revival.

DOI: 10.12693/APhysPolA.125.1069
PACS numbers: 03.65.Ud, 42.50.Dv, 03.67.-a