Entanglement and quantum teleportation via decohered tripartite entangled states
Journal Article
·
· Annals of Physics (New York)
The entanglement behavior of two classes of multi-qubit system, GHZ and GHZ like states passing through a generalized amplitude damping channel is discussed. Despite this channel causes degradation of the entangled properties and consequently their abilities to perform quantum teleportation, one can always improve the lower values of the entanglement and the fidelity of the teleported state by controlling on Bell measurements, analyzer angle and channel’s strength. Using GHZ-like state within a generalized amplitude damping channel is much better than using the normal GHZ-state, where the decay rate of entanglement and the fidelity of the teleported states are smaller than those depicted for GHZ state.
- OSTI ID:
- 22403493
- Journal Information:
- Annals of Physics (New York), Journal Name: Annals of Physics (New York) Vol. 351; ISSN APNYA6; ISSN 0003-4916
- Country of Publication:
- United States
- Language:
- English
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