Multiparticle Entanglement in the Lipkin-Meshkov-Glick Model

Abstract

The multiparticle entanglement in the Lipkin-Meshkov-Glick model has been discussed extensively in this paper. Measured by the global entanglement and its generalization, our calculation shows that the multiparticle entanglement can faithfully detect quantum phase transitions. For an antiferromagnetic case the multiparticle entanglement reaches the maximum at the transition point, whereas for ferromagnetic coupling, two different behaviors of multiparticle entanglement can be identified, dependent on the anisotropic parameter in the coupling.

7 pages and 5 figures

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Cited by in corpus (21)

• Exact spectrum of the Lipkin-Meshkov-Glick model in the thermodynamic limit and finite-size corrections
• Circuit QED scheme for realization of the Lipkin-Meshkov-Glick model
• Quantum phase transitions in fully connected spin models: an entanglement perspective
• Quantum Simulations in Effective Model Spaces (I): Hamiltonian Learning-VQE using Digital Quantum Computers and Application to the Lipkin-Meshkov-Glick Model
• Multi-Body Entanglement and Information Rearrangement in Nuclear Many-Body Systems
• Finite-size scaling of coherence and steered coherence in the Lipkin-Meshkov-Glick model
• The Hong-Ou-Mandel effect with atoms
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