scholarly journals Remarks on the Gribov horizon and dynamical mass generation in Euclidean Yang-Mills theories

2004 ◽  
Author(s):  
R. F. Sobreiro
Keyword(s):  
Mass Generation ◽  
Dynamical Mass ◽  
Yang Mills ◽  
Dynamical Mass Generation

scholarly journals Magnetic condensation, Abelian dominance, and instability of Savvidy vacuum in Yang-Mills theory

2005 ◽  
Vol 20 (19) ◽  
pp. 4609-4614 ◽  
Author(s):  
Kei-Ichi KONDO
Keyword(s):  
Magnetic Monopoles ◽  
Quark Confinement ◽  
Mass Generation ◽  
Dynamical Mass ◽  
Yang Mills ◽  
Dynamical Mass Generation

We propose a novel type of color magnetic condensation originating from magnetic monopoles so that it provides the mass of off-diagonal gluons in the Yang-Mills theory. This dynamical mass generation enables us to explain the infrared Abelian dominance and monopole dominance by way of a non-Abelian Stokes theorem, which supports the dual superconductivity picture of quark confinement. Moreover, we show that the instability of Savvidy vacuum disappears by sufficiently large color magnetic condensation.

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