Realization of symmetric sharing of entanglement in semiconductor microcrystallites coupled by a cavity field

Details Realization of symmetric sharing of entanglement in semiconductor microcrystallites coupled by a cavity field Realization of symmetric sharing of entanglement in semiconductor microcrystallites coupled by a cavity field

2002-12-30

arxiv.org/abs/quant-ph/0212150v2

Phys. Rev. A 66, 062309 (2002)

Physics

Quantum Physics

8 pages, 4 figures

Scientific paper

10.1103/PhysRevA.66.062309

The entanglement of excitonic states in a system of $N$ spatially separated semiconductor microcrystallites is investigated. The interaction among the different microcrystallites is mediated by a single-mode cavity field. It is found that the symmetric sharing of the entanglement (measured by the concurrence) between any pair of the excitonic state with $N$ qubits defined by the number states (vacuum and a single-exciton states) or the coherent states (odd and even coherent states) can be prepared by the cavity field for this system.

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