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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Equação de Klein-Gordon não-linear e superuidos relativísticos.

LINS, Aline Nascimento. 09 October 2018 (has links)
Submitted by Emanuel Varela Cardoso (emanuel.varela@ufcg.edu.br) on 2018-10-09T17:21:02Z No. of bitstreams: 1 Dissertação-Aline Nascimento Lins (ok).pdf: 569104 bytes, checksum: 74a65b4ab8272bfcc42b2378df62b4ec (MD5) / Made available in DSpace on 2018-10-09T17:21:02Z (GMT). No. of bitstreams: 1 Dissertação-Aline Nascimento Lins (ok).pdf: 569104 bytes, checksum: 74a65b4ab8272bfcc42b2378df62b4ec (MD5) Previous issue date: 2017-02 / O conceito de Matéria Escura surgiu para explicar uma anomalia na curva de rotação de galáxias espirais, desde então, pesquisadores de todo o mundo vêm tentando detectar a partícula que compõe tal matéria. Sem sucesso nas detecções, surgiram algumas teorias para explicar a existência tanto da Matéria Escura quanto da Energia Escura, responsável pela expansão acelerada do Universo. Neste trabalho apresentamos uma dessas teorias. Aqui sugerimos que o Universo se comporta de uma maneira diferente com a qual estamos acostumados, para isso tzemos uso da relatividade geral e da equação não-linear de Klein-Gordon, e então admitimos que o Universo está imerso em um superfluido relativístico para assim podermos explicar teoricamente Matéria Escura e Energia Escura. / The concept of Dark Matter arises to explain an anomaly in the rotation curve of spiral galaxies, since then, researchers around the world have been trying to detect the particle that composes this matter. Without success in the detections, some theories appeared to explain the existence of both Dark Matter and Dark Energy, the last one is responsible for the accelerated expansion of the Universe. In this dissertation we present one of these theories. Here we suggest that the Universe behaves in a di erent way with which we are accustomed, for this we have made use of the general relativity and the Klein-Gordon's nonlinear equation, and then we admit that the Universe is immersed in a relativistic superfluid so we can theoretically explain Dark Matter and Dark Energy.

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