Entanglement saturation in quantum electrodynamics scattering processes
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866909607334510592 |
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| author | Blasone, Massimo De Siena, Silvio Lambiase, Gaetano Matrella, Cristina Micciola, Bruno |
| author_facet | Blasone, Massimo De Siena, Silvio Lambiase, Gaetano Matrella, Cristina Micciola, Bruno |
| contents | We investigate the properties of quantum electrodynamics (QED) two-particle scattering processes when an arbitrarily sharp filtering of the outgoing particles in momentum space is performed. We find that these processes are described by dynamical quantum maps, whose structure is such that any initial state is transformed into a maximally entangled state, after an infinite number of iterations of the map. This structural property is exactly realized if all the colliding particles are massive fermions while, when photons are involved, it is verified in a partial way, depending on the process under consideration. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_06878 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Entanglement saturation in quantum electrodynamics scattering processes Blasone, Massimo De Siena, Silvio Lambiase, Gaetano Matrella, Cristina Micciola, Bruno Quantum Physics High Energy Physics - Phenomenology We investigate the properties of quantum electrodynamics (QED) two-particle scattering processes when an arbitrarily sharp filtering of the outgoing particles in momentum space is performed. We find that these processes are described by dynamical quantum maps, whose structure is such that any initial state is transformed into a maximally entangled state, after an infinite number of iterations of the map. This structural property is exactly realized if all the colliding particles are massive fermions while, when photons are involved, it is verified in a partial way, depending on the process under consideration. |
| title | Entanglement saturation in quantum electrodynamics scattering processes |
| topic | Quantum Physics High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2505.06878 |