community
directory
books
authors
images
encyclopedia

Email:
Password:
Register

Knowledgerush Search

 

Google
  Web knowledgerush


Search for images of QCD


Message boards   Post comment

QCD

Quantum Chromodynamics (QCD) is the physical theory describing one of the fundamental forces, the strong interaction. It was first proposed in the early 1970s by David Politzer and by Frank Wilczek and David Gross. It uses quantum field theory to describe the interaction of quarks and gluons.

According to this theory, there is an SU(3) gauge group and that the quarks are SU(3) triplet Dirac fermion fields. QCD is a non-perturbative theory due to effects like confinement, fermion condensates and instantons.

Most theoretical work on QCD is done with lattice models.

See also Gauge theory, Strong interaction, QCD lattice model, Fermion condensate, Quantum field theory.

Referenced By

Chiral condensate | Fermion condensate | Pionium | Standard Model | TLAs from QAA to TZZ

 

Compose Your Message

Your Email Address or Pen Name (optional):
Subject:
Your Message:
 

 

 

 

 

 

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "QCD".

 

Contact UsPrivacy Statement & Terms of Use

 
Copyright © 1999-2003 Knowledgerush.com. All rights reserved.