Deconfinement versus chiral symmetry and higher representation matter

The interplay of deconfinement and chiral symmetry restoration are considered in terms of effective theories. We generalize the earlier model studies by considering fermions in higher representations, and study the finite temperature phase diagrams of SU(2) and SU(3) gauge theories with two fermion...

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Bibliographic Details
Published in:Physical review. D, Particles, fields, gravitation, and cosmology Particles, fields, gravitation, and cosmology, 2012-05, Vol.85 (9), Article 094020
Main Authors: Kähärä, T., Ruggieri, M., Tuominen, K.
Format: Article
Language:English
Subjects:
Broken symmetry
Cosmology
Fermions
Flavours
Gravitation
Mathematical analysis
Phase diagrams
Representations
Symmetry
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Summary:The interplay of deconfinement and chiral symmetry restoration are considered in terms of effective theories. We generalize the earlier model studies by considering fermions in higher representations, and study the finite temperature phase diagrams of SU(2) and SU(3) gauge theories with two fermion flavors in fundamental, adjoint, or two-index symmetric representations. We discuss our results in relation to recent lattice simulations on these theories and outline possible applications in the context of dynamical electroweak symmetry breaking.
ISSN:1550-7998
1550-2368
DOI:10.1103/PhysRevD.85.094020