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Doctoral Thesis
DOI
https://doi.org/10.11606/T.43.2020.tde-28052020-135213
Document
Author
Full name
Andres Felipe Cardona Jimenez
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2020
Supervisor
Committee
Mendes, Carlos Molina (President)
Baldiotti, Mário César
Brandt, Fernando Tadeu Caldeira
Silva, Rodrigo Nemmen da
Zhydenko, Olexandr
Title in English
Thermodynamics and Phase Transitions of Black Holes
Keywords in English
black holes
gauge/gravity duality
phase transitions, thermodynamics.
Abstract in English
In this thesis we study aspects of thermodynamics, field dynamics and phase transitions of non-asymptotically flat black holes that are important in the context of gauge/gravity dualities. In Anti-de Sitter geometries the processes of black hole evaporation and phase transitions are characterized. We consider the Vaidya Anti-de Sitter spacetime as a model for evaporation or gravitational collapse, in which a time dependency is introduced by means of a mass function evolving in time. For the study of thermodynamics of black holes evolving in time we follow a formalism adapted to non-stationary spacetimes with thermodynamical quantities associated to geometric properties of the so called trapping horizons. For Anti-de Sitter geometries we compare the thermodynamical results with the corresponding dual gauge theory established in the AdS/CFT correspondence. It is also considered the field dynamics of certain geometries where perturbative results can be associated with a symmetry group not associated to the isometries of the background spacetime.
Title in Portuguese
Termodinâmica e Transições de Fase de Buracos Negros
Keywords in Portuguese
buracos negros
dualidade gauge/gravidade
transições de fase, termodinâmica.
Abstract in Portuguese
Nesta tese estudamos aspectos da termodinâmica, dinâmica de campos e transições de fase de buracos negros assintoticamente não planos que são importantes no contexto das dualidades gauge/gravidade. Em geometrias Anti-Sitter são caracterizados os processos de evaporação e transições de fase de buracos negros. Consideramos o espaço-tempo Vaidya Anti-de Sitter como um modelo para evaporação ou colapso gravitacional, onde é introduzida uma dependência temporal mediante uma função de massa evoluindo no tempo. Para o estudo da termodinâmica de buracos negros evoluindo no tempo seguimos um formalismo adaptado a espaço-tempos não estacionários e com quantidades termodinâmicas associadas à propriedades geométricas dos chamados horizontes atrapantes. Para geometrias Anti-de Sitter comparamos os resultados termodinâmicos com a teoria de gauge dual estabelecido na correspondência AdS/CFT. Também é considerada a dinâmica de campos em certas geometrias onde os resultados perturbativos podem ser associados com um grupo de simetria não associado às isometrias do espaço-tempo de fundo.
 
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ThesisFinal.pdf (2.16 Mbytes)
Publishing Date
2020-06-23
 
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