Quench dynamics of topological quantum phase transition in Wen-plaquette model

Abstract

We study the quench dynamics of the topological quantum phase transition in the two-dimensional transverse Wen-plaquette model, which has a phase transition from a Z2 topologically ordered to a spin-polarized state. By mapping the Wen-plaquette model onto a one-dimensional quantum Ising model, we calculate the expectation value of the plaquette operator Fi during a slowly quenching process from a topologically ordered state. A logarithmic scaling law of quench dynamics near the quantum phase transition is found, which is analogous to the well-known static critical behavior of the specific heat in the one-dimensional quantum Ising model.

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References in corpus (6)

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• Breakdown of a topological phase: Quantum phase transition in a loop gas model with tension
• Entropy of entanglement and correlations induced by a quench: Dynamics of a quantum phase transition in the quantum Ising model
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Cited by in corpus (5)

• Topological Characterization of Extended Quantum Ising Models
• The Capabilities of a Perturbed Toric Code as a Quantum Memory
• Multipartite entanglement of the topologically ordered state in a perturbed toric code
• Non-Hermitian Quantum Annealing in the Antiferromagnetic Ising Chain
• Partially topological phase in a quantum loop gas model with tension and pressure