Bell violations in quantum informationnon signalling, communication and multipartite scenarios
- Carlos Palazuelos Cabezon Director
- Ignacio Villanueva Díez Director
Universidade de defensa: Universidad Complutense de Madrid
Fecha de defensa: 27 de xaneiro de 2021
- David Pérez García Presidente
- Gustavo Adolfo Muñoz Fernández Secretario
- Cécilia Lancien Vogal
- Fernando Lledó Vogal
- Carlos Eduardo González Guillen Vogal
Tipo: Tese
Resumo
In foundations of quantum information, the possible advantages of using quantum resources compared to classical resources are studied. Its relevance is due to the great current development of quantum technologies.One of the lines on which this study is based was started by Bell in 1964. He established that certain results obtained by measuring composite quantum systems separately are incompatible with a local and realistic description of nature, even in the assumption in which we allow the existence of hidden variables. This phenomenon is known as quantum non-locality. In addition to the theoretical interest that this has, it has been shown, since the 1990s, that this quantum phenomenon can be used to obtain advantages in cryptography, communication complexity and randomness amplification...