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arXiv · 0712.2508

Entanglement sharing in $E\otimesε$ Jahn-Teller model in the presence of a magnetic field

G. Liberti·R. L. Zaffino·F. Piperno·F. Plastina
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Abstract

We discuss the ground state entanglement of the $E\otimesε$ Jahn-Teller model in the presence of a strong transverse magnetic field as a function of the vibronic coupling strength. A complete characterization is given of the phenomenon of entanglement sharing in a system composed by a qubit coupled to two bosonic modes. Using the residual $I$-tangle, we find that three-partite entanglement is significantly present in the system in the parameter region near the bifurcation point of the corresponding classical model.

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G. Liberti, R. L. Zaffino, F. Piperno, F. Plastina. 2007-12-15. Entanglement sharing in $E\otimesε$ Jahn-Teller model in the presence of a magnetic field. https://doi.org/10.1103/physreva.76.042332

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