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Master's Dissertation
DOI
10.11606/D.43.2012.tde-26032013-135243
Document
Author
Full name
Bruno Lima de Souza
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2012
Supervisor
Committee
Guitman, Dmitri Maximovitch (President)
Gammal, Arnaldo
Vasilevich, Dmitry
Title in Portuguese
Estudo de emaranhamento num sistema de partículas carregadas em campo de onda plana quantizada
Keywords in Portuguese
física
informação quântica
mecânica quântica
Abstract in Portuguese
Neste trabalho estudamos as propriedades de emaranhamento dos estados de dois quasifótons de frequências diferentes, fazendo a aproximação de que o vácuo de quasifótons é igual ao vácuo de fótons, no caso em que não temos campo externo algum e no caso da presença de um campo magnético externo, constante e homogêneo. Estudamos também as propriedades de emaranhamento do próprio vácuo de quasifótons e dos estados de dois quasifótons no caso monocromático, sem campo externo e com o vácuo de quasifótons levado em conta exatamente.
Title in English
Study of entanglement in a system of charged particles in the field of a quantized plane wave
Keywords in English
physics
quantum information
quantum mechanics
Abstract in English
In this work we study the properties of entanglement of the states of two quasi-photons of different frequencies, considering the approximation that the quasi-photon's vacuum is equal the photon's vacuum, in the case where we have no external field and in the case where we have an external, constant and homogeneous magnetic field. We study also the properties of entanglement of the quasi-photon's vacuum and of the states of two quasi-photons in the monochromatic case, without external field and with the quasi-photon's vacuum considered exactly.
 
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Publishing Date
2013-05-29
 
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