Radiatively induced breaking of conformal symmetry in a superpotential

Radiatively induced symmetry breaking is considered for a toy model with one scalar and one fermion field unified in a superfield. It is shown that the classical quartic self-interaction of the superfield possesses a quantum infrared singularity. Application of the Coleman–Weinberg mechanism for eff...

Full description

Saved in:
Bibliographic Details
Published inPhysics letters. B Vol. 758; no. C; pp. 125 - 128
Main Authors Arbuzov, A.B., Cirilo-Lombardo, D.J.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 10.07.2016
Elsevier
Subjects
Breaking
Broken symmetry
Condensates
Conformal symmetry
Elementary particles
Fermions
Infrared
Radiative symmetry breaking
Scalars
Supersymmetry
Symmetry
Supersymmetry
Radiative symmetry breaking
Conformal symmetry
Online AccessGet full text

Cover

More Information
Summary:Radiatively induced symmetry breaking is considered for a toy model with one scalar and one fermion field unified in a superfield. It is shown that the classical quartic self-interaction of the superfield possesses a quantum infrared singularity. Application of the Coleman–Weinberg mechanism for effective potential leads to the appearance of condensates and masses for both scalar and fermion components. That induces a spontaneous breaking of the initial classical symmetries: the supersymmetry and the conformal one. The energy scales for the scalar and fermion condensates appear to be of the same order, while the renormalization scale is many orders of magnitude higher. A possibility to relate the considered toy model to conformal symmetry breaking in the Standard Model is discussed.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0370-2693
1873-2445
DOI:10.1016/j.physletb.2016.05.009