Open system entanglement and the laser quantum state
β Scribed by H.J. Carmichael; Changsuk Noh
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 528 KB
- Volume
- 42
- Category
- Article
- ISSN
- 1386-9477
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A deterministic secure quantum communication scheme using entanglement swapping is proposed. The sender prepares four-particle genuine entangled states and sends two particles in each state to the receiver and remains the rest particles. If the quantum channel is secure, they begin to communicate. A
## Abstract Entangled EPR twoβparticle system is characterized by Ξ(__p__~1~+__p__~2~) = 0 and Ξ (__x__~1~β __x__~2~) = 0, simultaneous. Even the momentum and position of each individual particle are completely undefined: Ξ __p__~__j__~ βΌ β, Ξ __x__~__j__~ βΌβ. This remarkable feature does not viola