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Estrelas compactas em binárias: investigando a composição da matéria superdensa
Teoria e observação de objetos colapsados: a física da matéria superdensa
Texto completo | |
Autor(es): |
Moreno, George
;
Nery, Ranieri
;
de Gois, Carlos
;
Rabelo, Rafael
;
Chaves, Rafael
Número total de Autores: 5
|
Tipo de documento: | Artigo Científico |
Fonte: | PHYSICAL REVIEW A; v. 103, n. 2, p. 11-pg., 2021-02-25. |
Resumo | |
Superdense coding is a paradigmatic protocol in quantum information science, employing a quantum communication channel to send classical information more efficiently. As we show here, it can be understood as a particular case of a prepare and measure experiment, a scenario that has attracted growing attention for its fundamental and practical applications. Formulating superdense coding as a prepare and measure scenario allows us to provide a semi-device-independent witness of entanglement that significantly improves over previous tests. Furthermore, we also show how to adapt our results into self-testing of maximally entangled states and also provide a semidefinite program formulation allowing one to efficiently optimize, for any shared quantum state, the probability of success in the superdense coding protocol. (AU) | |
Processo FAPESP: | 18/07258-7 - Emaranhamento, não-localidade de Bell, e princípios físicos para a teoria quântica |
Beneficiário: | Rafael Luiz da Silva Rabelo |
Modalidade de apoio: | Auxílio à Pesquisa - Jovens Pesquisadores |