Villa Tambosi, Main Building of ECT*


ECT* Workshop on Nonperturbative Aspects of QCD

Trento, July 8 - 19, 2002



Poul Damgaard, NBI - Copenhagen

Urs Heller, SCRI - Tallahassee

Jac Verbaarschot, Stony Brook

Nonperturbative effects are responsible for chiral symmetry breaking, confinement and complex phenomena such as the existence of nuclei. They have been analyzed from different perpectives and by different methods. Best known is lattice QCD which is in principle an exact method but is in practice greatly restricted by the limited power of todays computers. Other methods can provides us exact results for the low-energy limit of QCD. For example, Chiral Perturbation Theory, Chiral Random Matrix Theory, Small Volume expansions. Other approaches that have had a great deal of impact are semi-classical methods with Instanton Liquid Models as best known example. One of the major breakthroughs in lattice QCD during the past few years is the development of algorithms allowing us to simulation full QCD with light or zero quark mass. The main goal of this workshop is to understand the lattice results for full QCD with light quarks by means of the abovementioned theories for the low-energy limit of the QCD partition function. Our main focus will be on exact results in QCD. We expect that confronting the most active researches in these areas will allow us to seek and address questions with regards to chiral symmetry in QCD with light quarks. One part of our workshop will be the analysis of results obtained by means of recent algorithms for simulating chiral fermions such as Ginsparg-Wilson fermions and Domain wall fermions. A second part will be the discussion of recent progress for exact results for the low-energy limit of QCD. Among others me mention the description of the Dirac spectrum by means of partially quenched chiral perturbation theory and chiral Random Matrix Theory. A third part will be the discussion of exact non-perturbative results for QCD at finite density. In recent years a large number of scenarios have been sketched for QCD with three colors. However, because of the failure of Monte-Carlo simulations, these speculations could not be tested. However, Bose-Einstein condensation phase transition has been predicted for QCD with two colors and has been observed by means of recent lattice QCD simulations.

The following speakers have agreed to give talks in this workshop:

Gernot Akemann (Saclay)  New Matrix Model results for QCD with chemical potential
Pierre van Baal (Leiden) Multi-Caloron Solutions
Jeff Bowers (MIT) The Crystallography of Color Superconductivity
Shailesh Chandrasekharan (Duke) Massless staggered Fermions at Strong Couplings
Pietro Facioli (Stony Brook) TBA
Zoltan Fodor (Hungary)) TBA
Maarten Golterman (San Francisco)  TBA
Thomas Guhr (Lund) Stochastic Field Theories and Effective Models
Simon Hands (Swansea)  Simulating QCD with a small chemical potential
Urs Heller, (SCRI - Tallahassee)   Thermodynamics Simulations with Improved Staggered Quarks
Andy Inopin (Kharkov) TBA
Karl Jansen (CERN) Finite size scaling analysis for a non-perturbative evaluation of Gasser-Leutwyler coefficients
Alexander Kalloniatis (Adelaide) Spontaneous chiral symmetry breaking and theta dependence in the QCD domain model
Frithjof Karsch (Bielefeld) TBA
Biagio Lucini (Oxford) QCD Physics and the Large N Limit
Maria-Paola Lombardo (INFN, Rome) QCD at non zero (imaginary) chemical potential
Cristina Manual (CERN) TBA
Herbert Neuberger (Rutgers) Large N reduction revisited
Kari Rummukainen (Copenhagen) Pressure in hot QCD plasma
Francesco Sannino (Copenhagen) Vector Bose-Einstein Condensation in Strongly Interacting Matter
Boris Schlittgen (Yale) The Colour-Flavour Transformation for the Special Unitary Group
Misha Stephanov (Chicago) Pion Propagation below and near Chiral Transition in QCD
Ben Svetitsky (Weizmann) Towards color superconductivity on a lattice
Mike Teper (Oxford)  Instantons and chiral symmetry breaking in SU(N) gauge theories
Dominique Toublan (Champaign-Urbana) Thermodynamics of chiral symmetry at low densities
Jac Verbaarschot (Stony Brook) The QCD Dirac Spectrum
Tilo Wettig (Yale)  Application of the color-flavor transformation to lattice QCD

To register please send an e-mail to one of the organizers. Hotel arrangements will be made by the ECT* staff after you have completed a questionaire which we will send on registration.