Entanglement asymmetry in gauge theories: chiral anomaly in the finite temperature massless Schwinger model
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arXiv
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| Autores principales: | , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866915594923671552 |
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| author | Florio, Adrien Murciano, Sara |
| author_facet | Florio, Adrien Murciano, Sara |
| contents | The entanglement asymmetry has emerged in recent years as a practical quantity to study phases of matter. We present the first study of entanglement asymmetry in gauge theories by considering the chiral anomaly of the analytically solvable massless Schwinger model at both zero and finite temperatures. At zero temperature, we find the asymmetry exhibits logarithmic growth with system size. At finite temperature, we show that it is parametrically more sensitive to chiral symmetry-breaking than the corresponding local order parameter: while the chiral condensate decays exponentially, the asymmetry decreases only logarithmically. This establishes the entanglement asymmetry as a promising tool to probe (finite-temperature) phase transitions in gauge theories. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_01966 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Entanglement asymmetry in gauge theories: chiral anomaly in the finite temperature massless Schwinger model Florio, Adrien Murciano, Sara High Energy Physics - Theory Statistical Mechanics High Energy Physics - Phenomenology Nuclear Theory Quantum Physics The entanglement asymmetry has emerged in recent years as a practical quantity to study phases of matter. We present the first study of entanglement asymmetry in gauge theories by considering the chiral anomaly of the analytically solvable massless Schwinger model at both zero and finite temperatures. At zero temperature, we find the asymmetry exhibits logarithmic growth with system size. At finite temperature, we show that it is parametrically more sensitive to chiral symmetry-breaking than the corresponding local order parameter: while the chiral condensate decays exponentially, the asymmetry decreases only logarithmically. This establishes the entanglement asymmetry as a promising tool to probe (finite-temperature) phase transitions in gauge theories. |
| title | Entanglement asymmetry in gauge theories: chiral anomaly in the finite temperature massless Schwinger model |
| topic | High Energy Physics - Theory Statistical Mechanics High Energy Physics - Phenomenology Nuclear Theory Quantum Physics |
| url | https://arxiv.org/abs/2511.01966 |