Exponential time-scaling of estimation precision by reaching a quantum critical point
Quantum metrology refers to the use of quantum resources in parameter-estimation protocols, aiming at enhancing its precision. The quantum Fisher information is a key quantity in this context, setting the ultimate achievable precision with respect to available resources, such as the total time of th...
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| Autores principales: | , , , |
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| Formato: | Artigo |
| Lenguaje: | Inglês |
| Publicado: |
American Physical Society
2022-10-01
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| Colección: | Physical Review Research |
| Acceso en línea: | http://doi.org/10.1103/PhysRevResearch.4.043061 |
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