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Infrared Abelian dominance without Abelian projection

DSpace at IIT Bombay

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Title Infrared Abelian dominance without Abelian projection
 
Creator RAVAL, H
YAJNIK, UA
 
Subject CONFINEMENT
 
Description Maximal Abelian gauge has been a particular choice to study dynamical generation of off-diagonal gluon masses in QCD. This gauge is a special case of an Abelian projection. Abelian dominance is characterized by off-diagonal gluons acquiring masses in the relevant phase. Here we propose a gauge condition which is quadratic in fields and which does not fall in the class of an Abelian projection. We explore the possible vacua of the gauge-fixed effective action of the theory and find evidence that ghost bilinears may be subject to condensation, which would signal acquisition of masses by off-diagonal gluons. Such a vacuum satisfies the requirement of Abelian dominance, providing an example of the hypothesis through a mechanism other than Abelian projection.
 
Publisher AMER PHYSICAL SOC
 
Date 2016-01-15T08:40:37Z
2016-01-15T08:40:37Z
2015
 
Type Article
 
Identifier PHYSICAL REVIEW D, 91(8)
1550-7998
1550-2368
http://dx.doi.org/10.1103/PhysRevD.91.085028
http://dspace.library.iitb.ac.in/jspui/handle/100/18187
 
Language en