Steady-state entanglement of two atoms created by classical driving field
Klyachko, A. A.
Shumovsky, A. S.
Physical Review A: covering atomic, molecular, and optical physics and quantum information
American Physical Society
034303-1 - 034303-4
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The stabilization of entanglement caused by action of a classical driving field in the system of two-level atoms with the dipole interaction accompanied by spontaneous emission is discussed. An exact solution shows that the maximum amount of concurrence that can be achieved in the Lamb-Dicke limit is 0.43. Dependence of entanglement on interatomic distance and the classical driving field, beyond the Lamb-Dicke limit, is examined numerically. © 2005 The American Physical Society.