Towards a Theory of Instantons at Non-zero Fermion Density

Abstract

A formalism to study light fermions at non-zero chemical potential in the instanton medium is presented. It is then applied to investigate chiral symmetry restoration and diquark condensation at finite baryon density.

12 pages LaTeX, 3 figures incl.; to appear in Proceedings of the Intl Workshop on QCD at Finite Baryon Density, Bielefeld, Germany, April 1998

References in corpus (2)

• QCD at Finite Baryon Density: Nucleon Droplets and Color Superconductivity
• Diquark Bose Condensates in High Density Matter and Instantons

Cited by in corpus (12)

• Instantons at work
• Schwinger-Dyson Approach to Color Superconductivity in Dense QCD
• The phase diagram and bulk thermodynamical quantities in the NJL model at finite temperature and density
• Light Quarks in the Instanton Vacuum at Finite Baryon Density
• Non-Equilibrium Phase Transition in Rapidly Expanding Matter
• η- and η'-mesic nuclei and U_A(1) anomaly at finite density
• Debye screening and Meissner effect in a three-flavor color superconductor
• Unusual bound states of quark matter within the NJL model
• Nonperturbative QCD vacuum and Colour Superconductivity
• Topological zero modes at nonzero chemical potential
• Effect of Dynamical SU(2) Gluons to the Gap Equation of Nambu--Jona-Lasinio Model in Constant Background Magnetic Field
• Instanton-Induced Interactions in Finite Density QCD