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Doctoral Thesis
DOI
https://doi.org/10.11606/T.43.2016.tde-30102016-225555
Document
Author
Full name
Viktor Jahnke
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2016
Supervisor
Committee
Trancanelli, Diego (President)
Glaubach, José Daniel Edelstein
Luzum, Matthew William
Nastase, Horatiu Stefan
Rivelles, Victor de Oliveira
Title in Portuguese
A correspondência AdS/CFT e o plasma de quarks e glúons
Keywords in Portuguese
correspondência gauge-gravidade
gravidade de curvatura de ordem mais elevada.
holografia e o plasma de quarks e glúons
Abstract in Portuguese
O objetivo desse trabalho é estudar aplicações da correspondência AdS/CFT na descrição de plasmas fortemente acoplados similares ao plasma de quarks e glúons (PQG) produzido em colisões de íons pesados no RHIC e no LHC. O projeto está articulado em duas partes. Inicialmente estudamos como alguns observáveis, como a taxa de produção de fótons e diléptons, são afetados por anisotropias espaciais presentes no plasma. Isso é importante porque o PQG produzido em experimentos do mundo real tipicamente começa em configurações de alta anisotropia, que depois evoluem para configurações isotrópicas. Para modelar a anisotropia a acoplamento forte fizemos uso de uma solução de buraco negro de supergravidade do tipo IIB encontrada recentemente em arXiv:1105.3472/hep-th. Como segunda direção de pesquisa e novamente focando em aplicações da correspondência AdS/CFT na descrição do PQG, investigamos teorias de gravidade de Lovelock, que são generalizações naturais da teoria de relatividade geral de Einstein. Essas teorias contém termos com derivadas de ordem superior ao mesmo tempo que mantém equações do movimento de segunda ordem, e por isso constituem uma arena ideal para começar a entender como termos de derivada de ordem superior afetam vários observáveis físicos do plasma.
Title in English
The AdS/CFT correspondece and the quark-gluon plasma
Keywords in English
gauge-gravity correspondence
higher curvature gravity
holography and the quark-gluon plasma
Abstract in English
The aim of this work is to study applications of the AdS/CFT correspondence to strongly coupled plasmas similar to the quark-gluon plasma (QGP) produced in heavy ion collisions at RHIC and LHC. The project is articulated in two parts. Initially, we will study how some observables, such as photon and dilepton production rates, are affected by spatial anisotropies present in the plasma. This is important, since the QGP produced in real world experiments generically starts in highly anisotropic configurations, which later evolve towards isotropy. To model anisotropy at strong coupling we will make use of an anisotropic black hole solution of type IIB supergravity which has been recently obtained in arXiv:1105.3472/ hep-th. As a second direction of research and again focusing on applications of the AdS/CFT correspondence to the QGP, we will investigate Lovelock theories of gravity, which are natural generalizations of Einsteins general relativity. These theories contain higher derivative terms, while maintaining the equations of motion of second order, and constitute an ideal arena where to start understanding how higher derivative corrections affect various physical observables of the plasma.
 
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teseViktorJahnke.pdf (4.37 Mbytes)
Publishing Date
2016-11-01
 
WARNING: The material described below relates to works resulting from this thesis or dissertation. The contents of these works are the author's responsibility.
  • JAHNKE, V., et al. More on thermal probes of a strongly coupled anisotropic plasma [doi:10.1007/JHEP01(2014)149]. Journal of High Energy Physics [online], 2014, vol. 2014, p. 149.
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