The adscft duality is an idea that originated from string theory and is a powerful tool for analyzing stronglycoupled gauge theories using classical gravitational theories. A story about what phase transitions of the existing matter in our nature, what is a quarkgluon plasma, what relation does it have to neutron stars and to the birth of our universe. We discuss the low shear viscosity, jet quenching, and. Ads cft and early time quark gluon plasma flow one of the main theoretical challenges of the physics of quark gluon plasma is to describe its thermalization process. The string landscape and extra dimensions in adscft based on. Apparent absence of color casimir factors in gluonquark jets plus conical flow suggests sound radiation rather than gluonic one. Adscft and quarkgluon plasma quenched flavor in adscft unquenched flavor in adscft adscft with reduced supersymmetry chernsimons supergravity. The dynamics of quark gluon plasma and ads cft romuald a. The ads cft correspondence is a powerful tool in studying strongly coupled phenomena in gauge field theories, using results from a weakly coupled gravity background studied in the realm of string theory. Moreover, this plasma is a nonconfining phase of qcd for which no specific hadronic scale seems to be relevant. Since the plasma resides in a beam pipe in a background metric that is to excellent approximation flat, the black hole that has to be used to describe it is a planar black hole. Timedependent adscft correspondence and the quarkgluon. We study some important quantities such as drag force, screening length, and jetquenching parameter of an external probe quark and also quarkantiquark configuration.
In timedependent adscft correspondence and the quarkgluon plasma 9 a more theoretical language, in this regime qcd appears to be nearly conformal. Quarkgluon plasma in heavy ion collisions quarkgluon plasma qgp is a deconfined phase of quarks and gluons. Holography for quarkgluon plasma formation in heavy ion collisions irina arefeva. The adscft correspondence and the quarkgluon plasma author. Initial conditions quarkgluon plasma hadronization initial condition exoticnon equilibriumcgc. Heavy quark quenching is another part of this puzzle. Review article application of adscft in quarkgluon plasma.
Hydrodynamics, nonequilibrium physics and adscft the numerical relativity connection romuald a. Janik jagellonian university krakow based on work withr. The main message is that ads cft sets up a framework that could be used in analyzing the dynamics of strongly coupled gauge theories, in particular, sqgp 2. The main message is that adscft sets up a framework that could be used in analyzing. This is the fifth volume in the series on the subject of quarkgluon plasma, a unique phase created in heavyion collisions at high energy.
Adscft duality user guide books pics download new books. A quarkgluon plasma qgp or quark soup is a phase of quantum chromodynamics qcd which exists at extremely high temperature andor density. Quark gluon plasma or qgp is an interacting localized assembly of quarks and gluons at thermal kinetic and close to chemical abundance equilibrium. Since the temperature is above the hagedorn temperatureand thus above the scale of light u,dquark massthe pressure exhibits the relativistic stefanboltzmann format governed. Study of drag force on a moving heavy quark through a thermal plasma is interesting point. Ads cft and the dynamics of quark gluon plasma 3 applying the dictionary in the opposite direction, we can recover the geometry corresponding to a given spacetime pro.
Pdf string theory and quarkgluon plasma researchgate. At high temperature quarks are not confined to hadron bound states but propagate freely together with the gluons, forming a quarkgluon soup. In adscft this can be a very strong interacting system. This is a series of informal seminars on the adscft correspondence. Scattering amplitudes and extra dimensions in adscft. The adscft correspondence is a powerful tool in studying strongly coupled phenomena in gauge field theories, using results from a weakly coupled gravity background studied in the realm of string theory. Introduction to the physics of the quarkgluon plasma and the. This is because the duality is becoming a powerful tool to analyze the real world. The dynamics of quarkgluon plasma and adscft romuald a. The quarkgluon plasma is the phase of matter of quantum chromodynamics at extremely high temperature. Adscft was first successfully applied to the study of phenomena such as the quarkgluon plasma produced in heavy ions collisions. The dynamics of quarkgluon plasma and ads cft romuald a.
Complementary methods for realtime strong coupling calculations at. Lattice qcd has been applied, but there are problems with it. We give a brief introduction to the ads cft correspondence and its application to qcd physics, especially its application in the study of quark gluon plasma qgp formed in the relativistic heavy. Whatever happened to adscft and the quark gluon plasma.
Besides the interest of revealing new aspects of the adscft correspondence. Heshmatian department of physics, sciences faculty, mazandaran university, p. Janik and peschanski showed that a model for relativistic heavy ion collisions, suggested two decades previously by bjorken 36, can be seen to be a consequence of the adscft correspondence 37. Besides the interest of revealing new aspects of the ads cft correspondence. The dual description of the quark gluon plasma is a black hole in ads space. Review article application of adscft in quarkgluon plasma j. Quarkgluon plasma thermalization and plasma instabilities in adscft description of funded research projects 1st call for h. In these pedagogical lectures, we present the techniques of the adscft correspondence which can be applied to the study of real. One physical system which has been studied using the adscft correspondence is the quarkgluon plasma, an exotic state of matter produced in particle accelerators. For the last decade, the adscft correspondence, which appeared as a. Without assuming anything beyond an introductory course in quantum field theory, it begins by guiding the reader through the basic. Mar 23, 2011 in these pedagogical lectures, we present the techniques of the adscft correspondence which can be applied to the study of real time dynamics of a strongly coupled plasma system. Motivation i there are strong indications that the quarkgluon plasma produced at rhic is a strongly coupled system i this poses numerous. Edward shuryak, nonperturbative qcd and quarkgluon plasma, lectures at trieste, 2001 pdf.
This phase consists of almost free quarks and gluons, which are the basic building blocks of matter. In recent years, it has been shown that one prediction of adscft is indeed close to the experimental result of the real quarkgluon plasma. Quark gluon plasma and the relativistic heavyion collisions villa gualinotorino, 732011. On the empirical consequences of the adscft duality. In this talk we first discuss the motivation for using the ads cft correspondence as a tool for the understanding of realtime dynamics of quark gluon plasma. Full text of timedependent adscft correspondence and. The plasma is created in the initial stages of heavyion collisions, during which the system is certainly outofequilibrium. Timedependent adscft correspondence and the quarkgluon plasma. Tihany 17 gluon energy loss in adscft off shell gluon as a falling string rel. The main message is that adscft sets up a framework that could be used in analyzing the dynamics of strongly coupled gauge theories, in particular, sqgp 2. Applications of ads cft to the quark gluon plasma of qcd. For example, it turns out that one prediction of ads cft is indeed close to the experimental results of the real quark gluon plasma.
As one of the most important developments in string theory, the adscft correspondenceor in general gaugegravity correspondence encodes a way of using string theory to perform nonperturbative calculation in gauge theory which is still a. The third context is directly connected to the use of ads cft to describe real quark gluon plasmas. Introduction to ads cft correspondence download ebook. The adscft correspondence and the quarkgluon plasma. Holography for quarkgluon plasma formation in heavy ion. As one of the most important developments in string theory, the ads. More recently, string theoryinspired techniques based on the adscft. The subject is an active field of research which emerged from efforts to build a quantum theory of gravity string theory and has found surprising applications in strongly coupled systems. Introduction to the physics of the quarkgluon plasma and. Heshmatian science s faculty, departme nt of physics, maz andaran university, p.
Dec 12, 2012 ads cft predicts the quark gluon plasma is unstable the gaugegravity duality is a spinoff from string theory and has attracted considerable attention for its potential to describe the quark gluon plasma produced in heavy ion collisions. Quarkgluon plasma and the early universe top, bottom, and charm quarks freeze out and g. Quarkgluon plasma or qgp is an interacting localized assembly of quarks and gluons at thermal kinetic and close to chemical abundance equilibrium. On the other hand, magnetars are known to be the most dense place in the. These methods are based on solving gravitational einsteins equations on the stringgravity side of the adscft correspondence. Introduction to ads cft correspondence download ebook pdf. This is a series of informal seminars on the ads cft correspondence. These methods are based on solving gravitational einsteins equations on the stringgravity side of.
Xxxxx quarkgluon plasma in heavy ion collisions quarkgluon plasma qgp is a deconfined phase of quarks. Adscft and early time quarkgluon plasma flow one of the main theoretical challenges of the physics of quarkgluon plasma is to describe its thermalization process. String theory tells us that this claim is suspicious. The nontrivial part is the gluon interaction at strong coupling in qcd. Research project title quarkgluon plasma thermalization. Hydrodynamics, nonequilibrium physics and adscft the. The aim of this work is to study applications of the adscft correspondence to strongly coupled. The adscft correspondence and the quarkgluon plasma inspire. Analysis of the first two contexts is intended to serve as a guide to the potential empirical and ontological status of gaugegravity dualities as descriptions of actual physics at the planck scale. We can now calculate the contribution to the energy density from the quarkgluon plasma as a. At early enough times, the temperature was certainly high enough t100 gev that all the known particles including quarks, leptons.
The adscft correspondence has been applied to the description of the quarkgluon plasma in several di. Steklov mathematical institute, russian academy of science, gubkin str. In ads cft this can be a very strong interacting system. For more studying about the adscft correspondence and its applications see. This state of matter arises for brief instants when heavy ions such as gold or lead nuclei are collided at high energies.
Providing a pedagogical introduction to the rapidly developing field of ads cft correspondence, this is one of the first texts to provide an accessible introduction to all the necessary concepts needed to engage with the methods, tools and applications of ads cft. We give a brief introduction to the adscft correspondence and its application to qcd physics, especially its application in the study of quarkgluonplasma qgp formed in the relativistic heavy. For example, it turns out that one prediction of adscft is indeed close to the experimental results of the real quarkgluon plasma. The third context is directly connected to the use of adscft to describe real quarkgluon plasmas. In particular, we focus on the stu background and compare our results with other important backgrounds.
Adscft predicts the quark gluon plasma is unstable. The word plasma signals that free color charges are allowed. Review article application of adscft in quark gluon plasma j. Quark gluon plasma thermalization and plasma instabilities in ads cft description of funded research projects 1st call for h. Pavel kovtun, quark gluon plasma and string theory, rhic news 2009 makoto natsuume, string theory and quark gluon plasma arxiv. Besides the interest of revealing new aspects of the adscft. Strongly coupled quark gluon plasma and the adscft. Ads cft stronglycoupled quarkgluon plasma area law entanglement strongly coupled anomalous dimensions huge landscape of nonlagrangian cfts. Providing a pedagogical introduction to the rapidly developing field of adscft correspondence, this is one of the first texts to provide an accessible introduction to all the necessary concepts needed to engage with the methods, tools and applications of adscft. Full text of timedependent adscft correspondence and the. Haseeb department of physics ciit, islamabad first school on lhc physics oct 26, 2009. Experiments on highenergy heavyion collisions reveal the formation and some intriguing properties of the quarkgluon plasma qgp, a new phase of matter. We study some important quantities such as drag force, screening length, and jetquenching parameter of an external probe quark and also quark antiquark configuration.
Excitingly, a small viscosity appears naturally in the gaugetheory dual of the adscft correspondence, nevermind that qcd is neither conformal. Since then, the adscft duality has been applied to various fields of physics. Quarkgluon plasma and the early universe there is now considerable evidence that the universe began as a. Ads cft was first successfully applied to the study of phenomena such as the quark gluon plasma produced in heavy ions collisions. In these pedagogical lectures, we present the techniques of the ads cft correspondence which can be applied to the study of real. In these pedagogical lectures, we present the techniques of the adscft correspondence which can be applied to the study of real time dynamics of a strongly coupled plasma system. Application of adscft in quarkgluon plasma hindawi. Timedependent ads cft correspondence and the quark gluon plasma. Research project title quarkgluon plasma thermalization and.