Entangling Two-Atom Through Cooperative Interaction Under Stimulated Emission

We discuss the generation of two two-level atoms entanglement inside a resonant microcavity under stimulated emission (STE) interaction. The amount of entanglement is studied based on different atomic initial states. For each kind of initial state, we obtain the entanglement period and the entanglement critical point, which are found to deeply depend on driving field density. If both atoms are initially in excited state, the entanglement can be induced due to STE. While when one of them initially lies in its ground state, we find there is a competition between driving field induced entanglement and STE induced entanglement.