Metrology and multipartite entanglement in measurement-induced phase transition
Fuente:
arXiv
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| Autores principales: | , , , |
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| Formato: | Preprint |
| Publicado: |
2023
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| Materias: | |
| Acceso en línea: | |
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| _version_ | 1866916228723900416 |
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| author | Di Fresco, Giovanni Spagnolo, Bernardo Valenti, Davide Carollo, Angelo |
| author_facet | Di Fresco, Giovanni Spagnolo, Bernardo Valenti, Davide Carollo, Angelo |
| contents | Measurement-induced phase transition arises from the competition between a deterministic quantum evolution and a repeated measurement process. We explore the measurement-induced phase transition through the Quantum Fisher Information in two different metrological scenarios. We demonstrate through the scaling behavior of the quantum Fisher information the transition of the multi-partite entanglement across the phases. In analogy with standard quantum phase transition, we reveal signature of a measurement-induced phase transition in the non-analytic behaviour of the quantum Fisher information as the measurement strength approaches the critical value. Our results offer novel insights into the features of a quantum systems undergoing measurement-induced phase transition and indicate potential avenues for further exploration in the field of quantum physics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2302_10132 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Metrology and multipartite entanglement in measurement-induced phase transition Di Fresco, Giovanni Spagnolo, Bernardo Valenti, Davide Carollo, Angelo Quantum Physics Measurement-induced phase transition arises from the competition between a deterministic quantum evolution and a repeated measurement process. We explore the measurement-induced phase transition through the Quantum Fisher Information in two different metrological scenarios. We demonstrate through the scaling behavior of the quantum Fisher information the transition of the multi-partite entanglement across the phases. In analogy with standard quantum phase transition, we reveal signature of a measurement-induced phase transition in the non-analytic behaviour of the quantum Fisher information as the measurement strength approaches the critical value. Our results offer novel insights into the features of a quantum systems undergoing measurement-induced phase transition and indicate potential avenues for further exploration in the field of quantum physics. |
| title | Metrology and multipartite entanglement in measurement-induced phase transition |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2302.10132 |