Topological Contextuality and Quantum Representations
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866911009820639232 |
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| author | Chou, Tzu-Miao |
| author_facet | Chou, Tzu-Miao |
| contents | Quantum contextuality, a fundamental feature distinguishing quantum theory from classical models, is investigated via algebraic and topological structures inherent in modular tensor categories. This work rigorously demonstrates that braid group representations induced by modular categories, particularly those associated with SU(2) at level k and Fibonacci anyon models, exhibit state-dependent contextuality characterized by violations of noncontextuality inequalities. By explicitly constructing these unitary representations on fusion spaces, the study establishes a direct correspondence between braiding operations and logical contextuality scenarios. The results offer a comprehensive topological framework to classify and quantify contextuality in low-dimensional quantum systems, elucidating its role as a resource in topological quantum computation and advancing the interface between quantum algebra, topology, and quantum foundations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_14537 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Topological Contextuality and Quantum Representations Chou, Tzu-Miao Quantum Physics High Energy Physics - Theory Quantum contextuality, a fundamental feature distinguishing quantum theory from classical models, is investigated via algebraic and topological structures inherent in modular tensor categories. This work rigorously demonstrates that braid group representations induced by modular categories, particularly those associated with SU(2) at level k and Fibonacci anyon models, exhibit state-dependent contextuality characterized by violations of noncontextuality inequalities. By explicitly constructing these unitary representations on fusion spaces, the study establishes a direct correspondence between braiding operations and logical contextuality scenarios. The results offer a comprehensive topological framework to classify and quantify contextuality in low-dimensional quantum systems, elucidating its role as a resource in topological quantum computation and advancing the interface between quantum algebra, topology, and quantum foundations. |
| title | Topological Contextuality and Quantum Representations |
| topic | Quantum Physics High Energy Physics - Theory |
| url | https://arxiv.org/abs/2506.14537 |