Witnessing Magic with Bell inequalities
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866910890300801024 |
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| author | Macedo, Rafael A. Andriolo, Patrick Zamora, Santiago Poderini, Davide Chaves, Rafael |
| author_facet | Macedo, Rafael A. Andriolo, Patrick Zamora, Santiago Poderini, Davide Chaves, Rafael |
| contents | Non-stabilizerness, or magic, is a fundamental resource for quantum computation, enabling quantum algorithms to surpass classical capabilities. Despite its importance, characterizing magic remains challenging due to the intricate geometry of stabilizer polytopes and the difficulty of simulating non-stabilizer states. In this work, we reveal an unexpected connection between magic and Bell inequalities. Although maximally entangled stabilizer states can violate Bell inequalities and magic is deeply tied to the algebraic structure of observables, we show that tailored Bell inequalities can act as witnesses of magic. This result bridges two key quantum resources, uncovering a novel relationship between the device-independent framework and resource-theoretic properties of quantum computation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_18734 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Witnessing Magic with Bell inequalities Macedo, Rafael A. Andriolo, Patrick Zamora, Santiago Poderini, Davide Chaves, Rafael Quantum Physics Non-stabilizerness, or magic, is a fundamental resource for quantum computation, enabling quantum algorithms to surpass classical capabilities. Despite its importance, characterizing magic remains challenging due to the intricate geometry of stabilizer polytopes and the difficulty of simulating non-stabilizer states. In this work, we reveal an unexpected connection between magic and Bell inequalities. Although maximally entangled stabilizer states can violate Bell inequalities and magic is deeply tied to the algebraic structure of observables, we show that tailored Bell inequalities can act as witnesses of magic. This result bridges two key quantum resources, uncovering a novel relationship between the device-independent framework and resource-theoretic properties of quantum computation. |
| title | Witnessing Magic with Bell inequalities |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2503.18734 |