2002/11/11 by Yu-xi Liu, S. K. Ozdemir, Masato Koashi +1 · 1 citation
Physics and Astronomy · #quant-ph
paper · pdf · doi:10.1103/physreva.65.042326
published as PRA65, 042326(2002) · 7 pages, 6 figures
arxiv created 2002/11/11 · arxiv updated 2009/12/01
The dynamics of the entanglement for coherent excitonic states in the system of two coupled large semiconductor quantum dots (R/aB≫ 1) mediated by a single-mode cavity field is investigated. Maximally entangled coherent excitonic states can be generated by cavity field initially prepared in odd coherent state. The entanglement of the excitonic coherent states between two dots reaches maximum when no photon is detected in the cavity. The effects of the zero-temperature environment on the entanglement of excitonic coherent state are also studied using the concurrence for two subsystems of the excitons