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Computation of the properties of the quark-gluon plasma at nonzero temperature and baryonic density using the holographic correspondence

Grant number: 13/04036-0
Support Opportunities:Scholarships in Brazil - Post-Doctorate
Effective date (Start): October 01, 2013
Effective date (End): November 30, 2016
Field of knowledge:Physical Sciences and Mathematics - Physics - Elementary Particle Physics and Fields
Principal Investigator:Jorge José Leite Noronha Junior
Grantee:Rômulo Cesar Rougemont Pereira
Host Institution: Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:12/50984-4 - Hadron Physics, AP.TEM


In this project we will develop an effective holographic model, based on the Anti-de Sitter/Conformal Field Theory (AdS/CFT) duality, which will be used to describe the equilibrium and out-of-equilibrium properties of the strongly coupled Quark-Gluon Plasma (QGP) in the case where nonzero baryon density effects are not negligible. More especifically, we will construct a gravity dual model in 5 dimensions to investigate the equation of state of QCD, the transport properties of the quark-gluon plasma as well as its opacity with respect to jets in the limit where the baryon chemical potential, $\mu_B$, is comparable to the temperature, i.e., $\mu_B/T \sim 1$. At such baryon densities, lattice QCD calculations are not yet possible due to the fermion sign problem and the holographic duality constitutes one of the few truly non-perturbative tools that can be used to understand the strongly coupled QGP in this regime. We will also investigate the effects of strong magnetic fields on the strongly-coupled quark-gluon plasma. The results obtained using this model will be used as a guide towards understanding the new experimental data obtained at RHIC (and, possibly, at the FAIR facility to be constructed in Germany in the next years) and can also be used to develop new observables to investigate the properties of QCD at nonzero temperature and baryon density in the strongly coupled regime. (AU)

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Scientific publications (11)
(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)
FINAZZO, STEFANO IVO; CRITELLI, RENATO; ROUGEMONT, ROMULO; NORONHA, JORGE. Momentum transport in strongly coupled anisotropic plasmas in the presence of strong magnetic fields. Physical Review D, v. 94, n. 5, . (15/00240-7, 13/04036-0)
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, . (13/04036-0, 15/00240-7, 11/21691-6)
ROUGEMONT, ROMULO; NORONHA, JORGE; ZARRO, CARLOS A. D.; WOTZASEK, CLOVIS; GUIMARAES, MARCELO S.; GRANADO, DIEGO R.. Vanishing DC holographic conductivity from a magnetic monopole condensate. Journal of High Energy Physics, n. 7, . (13/04036-0)
ROUGEMONT, ROMULO; FINAZZO, STEFANO IVO. Chern-Simons diffusion rate across different phase transitions. Physical Review D, v. 93, n. 10, . (15/00240-7, 13/04036-0)
FINAZZO, STEFANO I.; ROUGEMONT, ROMULO; MARROCHIO, HUGO; NORONHA, JORGE. Hydrodynamic transport coefficients for the non-conformal quark-gluon plasma from holography. Journal of High Energy Physics, n. 2, . (13/04036-0)
ROUGEMONT, ROMULO; CRITELLI, RENATO; NORONHA, JORGE. Holographic calculation of the QCD crossover temperature in a magnetic field. Physical Review D, v. 93, n. 4, . (13/04036-0)
FINAZZO, STEFANO I.; ROUGEMONT, ROMULO; ZANIBONI, MAICON; CRITELLI, RENATO; NORONHA, JORGE. Critical behavior of non-hydrodynamic quasinormal modes in a strongly coupled plasma. Journal of High Energy Physics, n. 1, . (13/04036-0, 15/00240-7, 16/09263-2)
ROUGEMONT, R.; CRITELLI, R.; NORONHA, J.. Anisotropic heavy quark potential in strongly-coupled N=4 SYM theory in a magnetic field. Physical Review D, v. 91, n. 6, . (13/04036-0)
ROUGEMONT, ROMULO; NORONHA, JORGE; NORONHA-HOSTLER, JACQUELYN. Suppression of Baryon Diffusion and Transport in a Baryon Rich Strongly Coupled Quark-Gluon Plasma. Physical Review Letters, v. 115, n. 20, . (13/04036-0)
CRITELLI, RENATO; ROUGEMONT, ROMULO; FINAZZO, STEFANO I.; NORONHA, JORGE. Polyakov loop and heavy quark entropy in strong magnetic fields from holographic black hole engineering. Physical Review D, v. 94, n. 12, . (15/00240-7, 13/04036-0)

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