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Effect of Light Fermions on the Confinement Transition in QCD-Like Theories.
MedLine Citation:
PMID:  23102294     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The dependence of the confinement transition parameters on the fermion content provides information on the mechanism of confinement. Recent progress in lattice gauge theories has allowed us to study it for a light flavor number N_{f}∼O(10) and found this transition to shift toward significantly stronger coupling. We propose an explanation for that: light fermions can occupy the chromomagnetic monopoles, via zero modes, making them "distinguishable" and unsuitable for Bose-Einstein condensation. Such dilution of unoccupied monopoles is compensated by stronger coupling that makes them lighter and more numerous. We also suggest that flavor-carrying quark-monopole objects account for the density beyond the quark Fermi sphere seen in the cold dense phase of N_{c}=2 lattice QCD.
Authors:
Jinfeng Liao; Edward Shuryak
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Publication Detail:
Type:  Journal Article     Date:  2012-10-09
Journal Detail:
Title:  Physical review letters     Volume:  109     ISSN:  1079-7114     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  152001     Citation Subset:  IM    
Affiliation:
Physics Department and Center for Exploration of Energy and Matter, Indiana University, 2401 N Milo B. Sampson Lane, Bloomington, Indiana 47408, USA and RIKEN BNL Research Center, Building 510A, Brookhaven National Laboratory, Upton, New York 11973, USA.
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