@TechReport{RaiaNetoBott:2023:InFíBu,
author = "Raia Neto, M{\'a}rio and Botti, Luiz Cl{\'a}udio Lima",
title = "Introdu{\c{c}}{\~a}o {\`a} f{\'{\i}}sica dos buracos negros e
{\`a} algumas solu{\c{c}}{\~o}es ex{\'o}ticas da relatividade
geral",
institution = "Instituto Nacional de Pesquisas Espaciais",
year = "2023",
type = "RPQ",
address = "S{\~a}o Jos{\'e} dos Campos",
note = "{Bolsa PIBIC/PIBITI/INPE/CNPq.}",
keywords = "relatividade geral, buracos negros, buracos de minhoca, processo
Blandford-Znajek, jatos relativ{\'{\i}}sticos, general
relativity, black holes, wormholes, Blandford-Znajek process,
relativistic jets.",
abstract = "O presente projeto estudou os aspectos da matem{\'a}tica,
f{\'{\i}}sica te{\'o}rica e astrof{\'{\i}}sica de buracos
negros, bem como dois outros espa{\c{c}}os-tempos ditos
{"}ex{\'o}ticos{"}: buracos de minhoca e warp drives com simetria
esf{\'e}rica. Os buracos negros de: Schwarzs- child,
Reissner-Nordstr{\~o}m, Kerr e Kerr-Newman formam ent{\~a}o
solu{\c{c}}{\~o}es de v{\'a}cuo e eletro-v{\'a}cuo das
equa{\c{c}}{\~o}es de campo de Einstein; respectivamente
s{\~a}o buracos negros, neutros, com carga el{\'e}trica, com
rota{\c{c}}{\~a}o, com rota{\c{c}}{\~a}o e carga
el{\'e}trica. A an{\'a}lise de trajet{\'o}rias tipo-luz ao
redor de buracos negros foi feita, a fim de estudar o comporta-
mento de part{\'{\i}}culas n{\~a}o-massivas nestes
espa{\c{c}}os curvos, posteriormente tal an{\'a}lise foi
empregada no estudo das {"}sombras{"} buracos de minhoca,
discutindo ent{\~a}o os efeitos da carga el{\'e}trica no formato
da chamada fotosfera. Al{\'e}m disso, foi estudado o mecanismo de
Blandford-Znajek; Em especial, o projeto estudou as sombras de
buracos de minhoca com carga el{\'e}trica, que configurou um
resultado in{\'e}dito dentro da {\'a}rea da f{\'{\i}}sica
relativ{\'{\i}}stica. ABSTRACT: The present project investigated
aspects of mathematics, theoretical physics, and as- trophysics
related to black holes, as well as two other so-called
{"}exotic{"} spacetimes: wormholes and spherically symmetric warp
drives. The black holes of Schwarzschild, Reissner-Nordstr{\~o}m,
Kerr, and Kerr-Newman then form solutions of vacuum and
electro-vacuum of Einstein's field equations; respectively, they
are black holes, neu- tral ones, with electric charge, with
rotation, and with both rotation and electric charge. The analysis
of light trajectories around black holes was conducted in order to
study the behavior of massless particles in these curved spaces.
Subsequently, this analysis was applied to the study of wormhole
{"}shadows,{"} discussing the ef- fects of electric charge on the
shape of the so-called photosphere. Additionally, the
Blandford-Znajek mechanism was studied; In particular, the project
investigated the shadows of charged wormholes, which constituted a
novel result within the field of relativistic physics.",
affiliation = "{Universidade Federal de S{\~a}o Carlos (UFSCar)} and {Instituto
Nacional de Pesquisas Espaciais (INPE)}",
language = "pt",
pages = "21",
ibi = "8JMKD3MGP3W34T/49T2G3H",
url = "http://urlib.net/ibi/8JMKD3MGP3W34T/49T2G3H",
targetfile = "Relatorio_Final_Mario_Raia_Neto.pdf",
urlaccessdate = "03 jun. 2024"
}