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Understanding strongly coupled non-Abelian plasmas using the gauge/gravity duality

Grant number: 11/21691-6
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): March 01, 2012
Effective date (End): February 28, 2015
Field of knowledge:Physical Sciences and Mathematics - Physics - Elementary Particle Physics and Fields
Principal researcher:Jorge José Leite Noronha Junior
Grantee:Stefano Ivo Finazzo
Home Institution: Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:09/50180-0 - Study of hadronic interactions at high energies, AP.TEM


The quark gluon plasma (QGP), formed in ultrarelativistic heavy-ion colisions at RHIC and at the LHC, behaves as nearly perfect fluid. This indicates that the QGP is a strongly coupled system, which suggests that a holographic description via the AdS/CFT correspondence as a weakly coupled gravitational theory may be possible. The goal of this project is to perform quantitative studies of gravitational dual models that capture the thermodynamical and transport properties of the QGP. Specifically, in this thesis we shalla) Use Wilson loops to estimate the thermal width of heavy quark bound states in the QGP and their dependence on the relative velocity of the heavy meson with respect to the plasma;b) Study dissipative relativistic fluids to determine the correct equations of motion that describe the hydrodynamical behavior of the QGPc) Find the necessary conditions to obtain a gravitational theory that is dual to an asymptotically free gauge theory in 4 dimensions. This will allow us to narrow down the class of dual theories that can adequately describe the QGP and make predictions that can be experimentally verified using heavy ion collisions.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
ROUGEMONT, ROMULO; FICNAR, ANDREJ; FINAZZO, STEFANO I.; NORONHA, JORGE. Energy loss, equilibration, and thermodynamics of a baryon rich strongly coupled quark-gluon plasma. Journal of High Energy Physics, n. 4 APR 15 2016. Web of Science Citations: 34.
MACHADO, C. S.; MATHEUS, R. D.; FINAZZO, S. I.; NORONHA, J. Modification of the B meson mass in a magnetic field from QCD sum rules. Physical Review D, v. 89, n. 7 APR 10 2014. Web of Science Citations: 25.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
FINAZZO, Stefano Ivo. Understanding strongly coupled non-Abelian plasmas using the gauge/gravity duality. 2015. Doctoral Thesis - Universidade de São Paulo (USP). Instituto de Física São Paulo.

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