Related papers: Quantum Cluster State Model with Haagerup Fusion Category Symmetry

Quantum Cluster State Model with Haagerup Fusion Category Symmetry

URL: http://arxiv.org/abs/2412.19657v1
Date: Fri, 27 Dec 2024 14:05:15 GMT
Title: Quantum Cluster State Model with Haagerup Fusion Category Symmetry
Authors: Zhian Jia,
Abstract summary: We propose a (1+1)D lattice model, inspired by a weak Hopf algebra generalization of the cluster state model. We show that this model supports Haagerup category symmetry and features a tensor product Hilbert space.
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Abstract: We propose a (1+1)D lattice model, inspired by a weak Hopf algebra generalization of the cluster state model, which realizes Haagerup fusion category symmetry and features a tensor product Hilbert space. The construction begins with a reconstruction of the Haagerup weak Hopf algebra $H_3$ from the Haagerup fusion category, ensuring that the representation category of $H_3$ is equivalent to Haagerup fusion category. Utilizing the framework of symmetry topological field theory (SymTFT), we develop an ultra-thin weak Hopf quantum double model, characterized by a smooth topological boundary condition. We show that this model supports Haagerup fusion category symmetry. Finally, we solve the ground state of the model in terms of a weak Hopf matrix product state, which serves as a natural generalization of the cluster state, embodying Haagerup fusion category symmetry.

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