Persistent challenges of quantum chromodynamics

Research output: Contribution to journalReview articlepeer-review

3 Scopus citations

Abstract

Unlike some models whose relevance to Nature is still a big question mark, Quantum Chromodynainics (QCD) will stay with us forever. QCD, born in 1973, is a very rich theory supposed to describe the widest range of strong interaction phenomena: from nuclear physics to Regge behavior at large E, from color confinement to quark-gluon matter a,t high densities/temperatures (neutron stars) ; the vast horizons of the hadronic world: chiral dynamics, glueballs, exotics, light and heavy quarkonia and mixtures thereof, exclusive and inclusive phenomena, interplay between strong forces and weak interactions, etc. Efforts aimed at solving the underlying theory, QCD, continue. In a remarkable entanglement, theoretical constructions of the 1970's and 1990's combine with today's ideas based on holographic description and strong-weak coupling duality, to provide new insights and a deeper understanding.

Original languageEnglish (US)
Pages (from-to)5695-5719
Number of pages25
JournalInternational Journal of Modern Physics A
Volume21
Issue number28-29
DOIs
StatePublished - Nov 20 2006

Keywords

  • Color confinement
  • Hadron physics
  • Quantum chromodynamics
  • Review

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