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Entanglement, coherence, and charging process of quantum batteries

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Autor(es):
Kamin, F. H. ; Tabesh, F. T. ; Salimi, S. ; Santos, Alan C.
Número total de Autores: 4
Tipo de documento: Artigo Científico
Fonte: PHYSICAL REVIEW E; v. 102, n. 5, p. 7-pg., 2020-11-06.
Resumo

Quantum devices are systems that can explore quantum phenomena, such as entanglement or coherence, for example, to provide some enhancement performance concerning their classical counterparts. In particular, quantum batteries are devices that use entanglement as the main element in their high performance in powerful charging. In this paper, we explore quantum battery performance and its relationship with the amount of entanglement that arises during the charging process. By using a general approach to a two- and three-cell battery, our results suggest that entanglement is not the main resource in quantum batteries, where there is a nontrivial correlation-coherence tradeoff as a resource for the high efficiency of such quantum devices. (AU)

Processo FAPESP: 19/22685-1 - Efeito de memória e transição do regime de desordem fraco ao forte
Beneficiário:Alan Costa dos Santos
Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado