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

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

2007-12-15

arxiv.org/abs/0712.2508v1

Phys. Rev. A 76, 042332 (2007)

Physics

Quantum Physics

Scientific paper

10.1103/PhysRevA.76.042332

We discuss the ground state entanglement of the $E\otimes\epsilon$ 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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