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Vacuum stability of asymptotically safe gauge-Yukawa theories
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA. Stockholm University, Sweden.
2016 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 1, 081Article in journal (Refereed) PublishedText
Abstract [en]

We study the phase diagram and the stability of the ground state for certain four-dimensional gauge-Yukawa theories whose high-energy behaviour is controlled by an interacting fixed point. We also provide analytical and numerical results for running couplings, their crossover scales, the separatrix, and the Coleman-Weinberg effective potential. Classical and quantum stability of the vacuum is established.

Place, publisher, year, edition, pages
Springer, 2016. no 1, 081
Keyword [en]
Spontaneous Symmetry Breaking, 1/N Expansion, Renormalization Group
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-182854DOI: 10.1007/JHEP01(2016)081ISI: 000368174200002ScopusID: 2-s2.0-84954431548OAI: diva2:906560

QC 20160224

Available from: 2016-02-24 Created: 2016-02-23 Last updated: 2016-02-24Bibliographically approved

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Mojaza, Matin
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