| Issue |
EPL
Volume 79, Number 5, September 2007
|
|
|---|---|---|
| Article Number | 51001 | |
| Number of page(s) | 6 | |
| Section | The Physics of Elementary Particles and Fields | |
| DOI | https://doi.org/10.1209/0295-5075/79/51001 | |
| Published online | 02 August 2007 | |
Phase structure and phase transitions of the 
symmetric scalar field theory
1
Department of Atomic Physics, Eötvös University - H-1117 Budapest, Hungary
2
Research Group for Statistical and Biological Physics of the Hungarian Academy of Sciences H-1117 Budapest, Hungary
3
Research Institute for Solid State Physics and Optics of the Hungarian Academy of Sciences H-1525 Budapest, Hungary
Corresponding authors: patkos@ludens.elte.hu szepzs@achilles.elte.hu
Received:
18
April
2007
Accepted:
9
July
2007
Radiatively induced 
symmetry breaking is shown to be a genuine
feature of 
globally symmetric renormalisable field
theories in the large-N limit, describing interaction of a complex
doublet, 
-singlet field with an singlet,
vector. Symmetry-breaking solutions are found even when all fields have positive renormalised squared mass. The emerging novel mechanism
of symmetry breaking can reproduce with a choice of 
the
standard range of the electroweak condensate and the Higgs mass occurring in the extended Higgs dynamics of an symmetric
Gauge+Higgs model.
PACS: 11.10.Wx – Finite-temperature field theory / 11.10.Gh – Renormalization / 12.38.Cy – Summation of perturbation theory
© Europhysics Letters Association, 2007
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