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(Referência obtida automaticamente do Web of Science, por meio da informação sobre o financiamento pela FAPESP e o número do processo correspondente, incluída na publicação pelos autores.)

Extracting the physical sector of quantum states

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Autor(es):
Mogilevtsev, D. ; Teo, Y. S. ; Rehacek, J. ; Hradil, Z. ; Tiedau, J. ; Kruse, R. ; Harder, G. ; Silberhorn, C. ; Sanchez-Soto, L. L.
Número total de Autores: 9
Tipo de documento: Artigo Científico
Fonte: NEW JOURNAL OF PHYSICS; v. 19, SEP 13 2017.
Citações Web of Science: 0
Resumo

The physical nature of any quantum source guarantees the existence of an effective Hilbert space of finite dimension, the physical sector, in which its state is completely characterized with arbitrarily high accuracy. The extraction of this sector is essential for state tomography. We show that the physical sector of a state, defined in some pre-chosen basis, can be systematically retrieved with a procedure using only data collected from a set of commuting quantum measurement outcomes, with no other assumptions about the source. We demonstrate the versatility and efficiency of the physical-sector extraction by applying it to simulated and experimental data for quantum light sources, as well as quantum systems of finite dimensions. (AU)

Processo FAPESP: 14/21188-0 - Dinamica quântica de sistemas com acoplamento dissipativo
Beneficiário:Valery Shchesnovich
Modalidade de apoio: Auxílio à Pesquisa - Pesquisador Visitante - Internacional