Bipartite and tripartite entanglement of truncated harmonic oscillator coherent 
states via beam splitters

Daoud, M.; Jellal, A.; Choubabi, E. B.; El Kinani, E. H.

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Bipartite and tripartite entanglement of truncated harmonic oscillator coherent states via beam splitters

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Daoud, M.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Jellal, A.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Citation

Daoud, M., Jellal, A., Choubabi, E. B., & El Kinani, E. H. (2011). Bipartite and tripartite entanglement of truncated harmonic oscillator coherent states via beam splitters. Journal of Physics A-Mathematical and Theoretical, 44(32): 325301.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0029-8C51-0

Abstract

We introduce a special class of truncated Weyl-Heisenberg algebra and discuss the corresponding Hilbertian and analytical representations. Subsequently, we study the effect of a quantum network of beam splitting on coherent states of this nonlinear class of harmonic oscillators. We particularly focus on quantum networks involving one and two beam splitters and examine the degree of bipartite as well as tripartite entanglement using the linear entropy.