Entanglement Halos
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
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| _version_ | 1866911412617478144 |
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| author | de Buruaga, Nadir Samos Sáenz Santalla, Silvia N. Sierra, Germán Rodríguez-Laguna, Javier |
| author_facet | de Buruaga, Nadir Samos Sáenz Santalla, Silvia N. Sierra, Germán Rodríguez-Laguna, Javier |
| contents | We introduce the concept of entanglement halos, a set of strongly entangled distant sites within the ground state of a quantum many-body system. Such halos emerge in star-like systems with exponentially decaying couplings, as we show using both free-fermions and the spin-1/2 antiferromagnetic Heisenberg model. Depending on the central connectivity, entanglement halos may exhibit trivial and non trivial symmetry-protected topological features. Our findings highlight how geometry and connectivity can generate complex entanglement structures with rich physical content, which can be experimentally accessible via state-of-the-art technologies. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_20430 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Entanglement Halos de Buruaga, Nadir Samos Sáenz Santalla, Silvia N. Sierra, Germán Rodríguez-Laguna, Javier Strongly Correlated Electrons Quantum Physics We introduce the concept of entanglement halos, a set of strongly entangled distant sites within the ground state of a quantum many-body system. Such halos emerge in star-like systems with exponentially decaying couplings, as we show using both free-fermions and the spin-1/2 antiferromagnetic Heisenberg model. Depending on the central connectivity, entanglement halos may exhibit trivial and non trivial symmetry-protected topological features. Our findings highlight how geometry and connectivity can generate complex entanglement structures with rich physical content, which can be experimentally accessible via state-of-the-art technologies. |
| title | Entanglement Halos |
| topic | Strongly Correlated Electrons Quantum Physics |
| url | https://arxiv.org/abs/2507.20430 |